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Daily Check. 1. Find the length of. A. 40°. B. 5 m. 2. Find the area of the sector formed by the smaller angle. X. 16 mm. Y. 120°. Z. Warm-Up. Find the area of a circle with a diameter of 20ft. Round your answer to the nearest tenth.
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Daily Check 1. Find the length of A 40° B 5 m 2. Find the area of the sector formed by the smaller angle. X 16 mm Y 120° Z
Warm-Up • Find the area of a circle with a diameter of 20ft. Round your answer to the nearest tenth. • Find the area of A. Round your answer to the nearest hundredth. • Find the radius of a sphere with a surface area of 56 m2. 314.16 ft2 2.5 A 19.63 2.11 m
Page 239 #1-18 201.06 cm.2 2) 28.27 in.2 615.75 m.2 4) B 3.5 cm 6) 7 cm. 7) 76.97 cm.2 8) 1901.17 m.2 9) 1436.76 ft.2 10) 381.7 yd.3 11) 2144.66 m.3 12) 2.48 in. 13) 4.83 cm. 14) 3.31 m. 15) B 16) radius should be cubed 17) SA = 1/4, Vol = 1/8 18) SA = 4 times as big, Vol = 8 times as big Answers to Homework
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
Hole 1 Find all the angles. x, z = 102°; y = 78
Hole 2 Find the missing side. 41 in 9 in 40
Hole 3 26
Hole 4 12
Hole 5 C
Hole 6 11
Hole 7 Find x 8
Hole 8 31
Hole 9 60°
Hole 10 70°
Hole 11 Find the circumference of the circle. 4 cm 25.13 cm
Hole 12 Find the area of the circle. 10 cm 78.54 cm2
Hole 13 A circular pool has a circumference of 100 feet. Find the radius of the pool to the nearest hundredth. 15.92 ft
r Hole 14 If S has a circumference of 18p inches, find the area of the circle to the nearest hundredth. 254.47 in2
Hole 15 Find the area of the outer ring. 1 in 3 in 25.13 in2
Hole 16 Find the total area of the sector made by the hands of the clock if the radius is 4 in. 100° 13.96 in2
Hole 17 Find the area of the pizza slice. 6 cm 60° 18.85 cm2
Hole 18 Find the volume of the sphere. 4 in 268.08 in3
You Practice Test Review WS