1. Assume that lines that appear tangent are tangent. Find the value of x.

Slides:

Advertisements

Similar presentations

When solving trig equations there are a few things to keep in mind: 1.Before you solve any trig equation, check the domain of the problem. (Is it asking.

Advertisements

Problem Set 2, Problem # 2 Ellen Dickerson. Problem Set 2, Problem #2 Find the equations of the lines that pass through the point (1,3) and are tangent.

Equation of Tangent line

Notes Over 10.3 r is the radius radius is 4 units

Secants, Tangents, and Angle Measures and Special Segments in a Circle

OBJECTIVES: STUDENTS WILL BE ABLE TO… USE THE RELATIONSHIP BETWEEN A RADIUS AND A TANGENT USE THE RELATIONSHIP BETWEEN 2 TANGENTS FROM ONE POINT FIND THE.

Welcome back. Warm up Use Pythagorean Theorem to find the missing side. Round to the nearest tenths. 8.2 yd 8.3 m 2.2 ft.

EXAMPLE 5 Find arc lengths to find distance TRACK The curves at the ends of the track shown are 180° arcs of circles. The radius of the arc for a runner.

TODAY IN GEOMETRY…  Warm up: Writing equations of a circle  Learning Target : 11.4 You will find the arc length and circumferences of circles  Independent.

EXAMPLE 1 Graph an equation of a circle

EXAMPLE 1 Write an equation of a circle Write the equation of the circle shown. The radius is 3 and the center is at the origin. x 2 + y 2 = r 2 x 2 +

Standard Form for the Equation of the Circle

Section 7-7 Circles and Sectors SPI 32L: determine the area of indicated regions involving circles SPI 33B: find the area of a sector of a circle given.

L.E.Q. How do you find the areas of circles, sectors, and segments of circles?

Areas of Segments of Circles SWBAT: To find the areas of segments of circles.

10.7 Areas of Circles and Sectors

Lesson 9.2A R.4.G.5 Investigate and use the properties of angles (central and inscribed) arcs, chords, tangents, and secants to solve problems involving.

Inscribed Angles Tangents & Angles Secants, Tangents, & Angles Segments In Circles Equations Of Circles.

Splash Screen. Example 2 Use Area of Circles to Solve Problems PICTURE FRAMES The rectangular matting for a picture frame has a circular cutout for the.

By: John Cao & Colby Le.  Find lateral areas of cones  Find surface areas of cones.

Chapter 10: Area 10.7 Areas of Circles & Sectors.

Find the equation of the line that has... A B C D E F

Circumference & Arc Length of Circles. 2 Types of Answers Rounded Put mode on classic Type the Pi button on your calculator Round Exact Put mode on mathprint.

SPI I CAN identify parts of a circle. I CAN find the circumference and area of a circle.

Chapter 11: Surface Area & Volume 11.6 Surface Area & Volume of Spheres.

10-7 Surface Areas and Volumes of Spheres Two Theorems.

Circles in the Coordinate Plane I can identify and understand equations for circles.

Circles in the Coordinate Plane

Volume of cones.

Objective 64 Honors Geometry WP: Circle angles and segments.

A 17 cm Warm Up April 18 and 19 Find the missing variables. Round to the nearest whole number. 20 m x 18 m 6 m b 2. y 12 cm 32 0 r Find the radius.

Section 6.2 – The Circle. Write the standard form of each equation. Then graph the equation. center (0, 3) and radius 2 h = 0, k = 3, r = 2.

Good morning!! Warm up Use Pythagorean Theorem to find the missing side. Round to the nearest tenths. 8.2 yd 8.3 m 2.2 ft.

EXAMPLE 3 Draw common tangents Tell how many common tangents the circles have and draw them. a.b. c. SOLUTION a. 4 common tangents 3 common tangents b.

Warm-Up What is the distance between the two trees? If you wanted to meet a friend halfway, where would you meet.

Warm-Up 1.Find the circumference of a circle with a diameter of 10ft. Round your answer to the nearest tenth. 2.Find the circumference of  A if the radius.

The Circle. Examples (1) – (5) Determine the center and radius of the circle having the given equation. Identify four points of the circle.

9.6 Circles in the Coordinate Plane Date: ____________.

6.1 Angles and Radian Measure Objective: Change from radian to degree measure and vice versa. Find the length of an arc given the measure of the central.

Circumference The distance around a circle or Find the circumference to the nearest tenth

Warm Up 4. Label the circle with the following parts: radius, diameter, circumference.

Recall Area of a Circle A = r2

Equation of a Circle. Equation Where the center of the circle is (h, k) and r is the radius.

EXAMPLE 1 Write an equation of a circle Write the equation of the circle shown. SOLUTION The radius is 3 and the center is at the origin. x 2 + y 2 = r.

Circles. Parts of a Circle Center The diameter is the distance across the circle through the center The radius is the distance to the center point.

Topic 11-2 Radian Measure. Definition of a Radian Radian is the measure of the arc of a unit circle. Unit circle is a circle with a radius of 1.

Holt Geometry 11-7 Circles in the Coordinate Plane 11-7 Circles in the Coordinate Plane Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation.

  Where the center of the circle is (h, k) and r is the radius. Equation.

Writing Equations of Circles. Remember Equation: (x-h) 2 +(y-k) 2 =r 2 Center (h, k) Radius = r So, to write the equation of a circle, we need the center.

1)Find the circumference and area of a circle with a diamater of 10 in. Round to the nearest hundredth. Do not forget the units! 2) What would be the radius.

Conic Sections Practice. Find the equation of the conic section using the given information.

10.2 Circles Objective: Use and determine the standard and general forms of the equations of a circle. Graph Circles.

Chapter One Review September 25, 2009.

Rounding Decimals.

Notes Over 10.3 r is the radius radius is 4 units

3. Find x. Then find the perimeter.

Find the directional derivative of the function at the given point in the direction of the vector v. {image}

Do-Now Find the area of a circle with a radius of 4. Round answer to the nearest hundredth. Find the volume of a sphere with a radius of 10. Round answer.

10.7 Special Segments in a Circle

Unit #8 Circle Lengths & Volumes with QR Code Answers

The Distance Formula Use this formula to find the distance between the following two points.

Logarithmic Functions

Find the directional derivative of the function at the given point in the direction of the vector v. {image}

Find the center and radius of a circle with equation:

Solve for the leg and round the nearest tenth.

Circle Review Bingo The solutions are linked. Click on the answer on the next slide and it will jump you to the slide that is the question to the solution.

Chapter Equations of Circles.

Presentation transcript:

1. Assume that lines that appear tangent are tangent. Find the value of x.

2. Find the value of x. If your answer is not an integer, round to the nearest tenth.

3. Find the measure of arc AB.

4. Find the center and radius of the circle: (x + 3) 2 + (y – 2) 2 = 9

5. Lines that appear tangent are tangent. Find the value of each variable. If your answer is not an integer, round to the nearest tenth.

6. Lines that appear tangent are tangent. Find the value of each variable. If your answer is not an integer, round to the nearest tenth.

7. Lines that appear tangent are tangent. Find the value of each variable. If your answer is not an integer, round to the nearest tenth.

8. Write the standard equation of the circle.

9. Write the standard equation of the circle with center (3, 0) that passes through the point (- 2, - 4).

10. Assume that lines that appear tangent are tangent. Find the value of x.

11. Find the value of x. If your answer is not an integer, round to the nearest tenth.

12. Find the measure of arc AB.

13. Find the value of z.

14. Find the center and radius of the circle: x 2 + (y – 9) 2 = 225

15. Lines that appear tangent are tangent. Find the value of each variable. If your answer is not an integer, round to the nearest tenth.

16. Lines that appear tangent are tangent. Find the value of each variable. If your answer is not an integer, round to the nearest tenth.

17. Lines that appear tangent are tangent. Find the value of each variable. If your answer is not an integer, round to the nearest tenth.

18. Write the standard equation of the circle.