CIRCLES
Circle Ratios
Triangles!
ANgles
Angles- Figure B
100
WHat is the circumference of a circle with the radius of 6 ft? (Put units or you will not get points!)
What is Circumference= 37.68 ft
100
What is the ratio of the circumference to area of a dinner plate that has a diameter of 10 inches?
What is C/A or C:A = 10(3.14) / 25 (3.14) = 2 - 5 or 2:5
100
A triangle is equalateral. WHat is the measure of degrees in each angle?
What is 60 degrees.
100
angle A and angle B are complementary. Angle a is 25 degrees. what is angle B?
What is 65 degrees. 90-25 =65
100
angle b is 47 degrees. Angle a and b are complementary what is angle a?
What is 43 degrees.
200
What is the circumference of a circle with a diameter of 11 feet? (Label answer with units or no points!)
What is 34.54 feet.
200
What is the ratio of circumference to area of a track that has a diameter of 60 feet? c: a
What is 60 x 3.14 ________ 900 x 3.14 2 _ 3 or 2:3
200
A triangle has an angle that is 64 degrees and an angle that is 59 degrees. WHat is the measure of the 3rd angle?
What is 57 degrees
200
ANgle r and Angle p are congruent. Angle r is 42 degrees. What is angle p?
What is 42 degrees. Congruent means the same angle measure
200
Angle a and d are vertical. What is angle d?
What is 43 degrees.
300
What is the area of a circle with a radius of 32.45 mm?
What is 3306.43 mm squared
300
What is the ratio of circumference to area of a circle. (Write as a formula!)
What is 2(3.14)r = c _______ ___ 3.14 (r)^2 a (See board)
300
An isosceles triangle has 2 angles that are 75 degrees. WHat is the measurement of the 3rd angle?
What is 30 degrees
300
Angle t and angle s are supplimentary. Angle t is 131 degrees. What is angle s?
What is 49 degrees 180-131 = 49
300
angle h is 139 degrees. what is angle g?
What is 41 degrees. 180-139= 41
400
WHat is the area of a circle with a diameter of 28.4 cm?
What is 633.15 cm squared
400
WHat is the ratio of Circumference to diameter of a circle with a radius of 36?
What is pi x d 3.14 x 72 ______ = _______ = 3.14 d 72
400
Draw an isosceles triangle on your board. Label angles and sides with units of your choice
Answers vary, but 2 sides, and 2 angles must be the same.
400
Angle Q and Angle P are vertical angles made by intersecting lines. Angle Q is 39 degrees. What is angle P?
What is 39 degrees. Vertical angles are congruent.
400
angle c is a right angle. it is adjacent to angle b. b=47 degrees. what is the meaurement of angle i?
What is 137 degrees 90 + 47= 137.
500
Look at figure A. The larger circle has a diameter of 32 feet. The smaller circle has a diameter of 25 feet. What is the area of the shaded in area?
What is 313.21 feet squared (803.84ft - 490.63 ft =313.21 ft squared)
500
What is the ratio of the area of a circle with a radius of 17 to its diameter?
What is A (3.14) 17 x 17 907.46 26.69 __ = _____________ = _______ = _____ d 34 34 1
500
Which of these side lengths will NOT make a triangle? WHY? a) 4 in, 3 in, 6 in b.) 2 in, 4 in, 6 in c.) 8 in, 9 in, 12 in
What is B, because the 2 shorter side lengths must be bigger than the longest side length.
500
Angle c and d are adjacent. They are also complmentary. Draw and label an example of angles c and d.
What is - answers will vary. Must be next to each other and add up to 90 degrees.
500
the angles d, e, and f make up a triangle. Use your clues to find the meaurement of angle f
What is 96 degrees. 180- 43- 41= 96 degrees.
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