Find the missing side of the triangle. 1) 2) 3) D.N.A.

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Presentation transcript:

Find the missing side of the triangle. 1) 2) 3) D.N.A.

Special Right Triangles Chapter 8.3 DNA

NUMBER SENSE

STATISTICS, DATA, AND PROB.

ALGEBRA AND FUNCTIONS

MEASUREMENT AND GEOMETRY

MATHEMATICAL REASONING

ALGEBRA 1

Find the length of the Hypotenuse o

Find the length of the Hypotenuse x x 45 o

45 o -45 o -90 o Triangle The hypotenuse is  2 times as long as each leg. x, x, x(  2) x x

Find the missing sides 7 7

8 8

Find the length of the missing side o 30 o

Lesson 3 CYP2 1.A 2.B 3.C 4.D Find b. A. B.3 C. D.

Find the length of the missing side 2x x 60 o 30 o

30 o -60 o -90 o Triangle Legsx, x  3 Hypotenuse 2x 2x x 60 o 30 o

Find the missing side lengths o 30 o

Find the missing side lengths o 30 o

Find the missing side lengths o 30 o

Find the missing side lengths 8 60 o 30 o

Find the missing side lengths o 30 o

1.A 2.B 3.C 4.D Lesson 3 CYP3 Find BC. A.4 in. B.8 in. C. D.12 in.

Lesson 3 Ex4 Special Triangles in a Coordinate Plane COORDINATE GEOMETRY ΔWXY is a 30°–60°–90° triangle with right angle X and as the longer leg. Graph points X(–2, 7) and Y(–7, 7), and locate point W in Quadrant III. Copy this problem!

Lesson 3 Ex4 Special Triangles in a Coordinate Plane Graph X and Y. lies on a horizontal gridline of the coordinate plane. Since will be perpendicular to it lies on a vertical gridline. Find the length of 5 I II IIIIV YX= Short leg Long leg XW = W Coordinates: (-2, -1.7)

A.A B.B C.C D.D Lesson 3 CYP4 A.(–4.8, –6) B.(–2.2, –6) C.(–1.5, –6) D.(–12.6, –6) COORDINATE GEOMETRY ΔRST is a 30°–60°–90° triangle with right angle R and as the longer leg. Graph points T(3, 3) and R(3, –6) and locate point S in Quadrant III. What are the approximate coordinates of S?

Homework Chapter 8.3 pp. 451 #1 – 5, , 34, 36, 40, 42, 44 and 48