Daily Check 40° 5 m A B 1. Find the length of 2. Find the area of the sector formed by the smaller angle. 120° Z 16 mm Y X.

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Presentation transcript:

Daily Check 40° 5 m A B 1. Find the length of 2. Find the area of the sector formed by the smaller angle. 120° Z 16 mm Y X

Warm-Up 1.Find the area of a circle with a diameter of 20ft. Round your answer to the nearest tenth. 2.Find the area of  A. Round your answer to the nearest hundredth. 3.Find the radius of a sphere with a surface area of 56 m 2. A ft m

Answers to Homework Page 239 #1-18 1) cm. 2 2) in. 2 3) m. 2 4) B 5)3.5 cm6) 7 cm. 7) cm. 2 8) m. 2 9) ft. 2 10) yd. 3 11) m. 3 12) 2.48 in. 13) 4.83 cm.14) 3.31 m. 15) B16) radius should be cubed 17) SA = 1/4, Vol = 1/8 18) SA = 4 times as big, Vol = 8 times as big

Math II UNIT QUESTION: What special properties are found with the parts of a circle? Standard: MM2G1, MM2G2 Today’s Question: What special properties are found with the parts of a circle? Standard: MM2G1, MM2G2

Review GOLF

Hole 1 Find all the angles. x, z = 102°; y = 78

Hole 2 41 in 9 in Find the missing side. 40

Hole 3 26

Hole 4 12

Hole 5 C

Hole 6 11

Hole 7 8 Find x

Hole 8 31

Hole 9 60°

Hole 10 70°

Hole 11 4 cm Find the circumference of the circle cm

Hole cm Find the area of the circle cm 2

Hole 13 A circular pool has a circumference of 100 feet. Find the radius of the pool to the nearest hundredth ft

Hole 14 If  S has a circumference of 18  inches, find the area of the circle to the nearest hundredth. r in 2

Hole 15 3 in 1 in Find the area of the outer ring in 2

Hole 16 Find the total area of the sector made by the hands of the clock if the radius is 4 in in 2 100°

Hole cm 2 60° 6 cm Find the area of the pizza slice.

Hole in 3 Find the volume of the sphere. 4 in

You Practice Test Review WS