AMC 8 Geometry & Measurement 3

Question 1

A square is inscribed in a circle of radius 5. What is the area of the square?

Accepted Answer

50

Answer

25

Answer

75

Answer

100

Question 2

How many lines of symmetry does a regular pentagon have?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 3

A rectangle's length is three times its width. If the perimeter is 48, what is the area?

Accepted Answer

108

Answer

72

Answer

144

Answer

180

Question 4

In a right triangle, one acute angle is 35°. What is the other acute angle?

Accepted Answer

55°

Answer

45°

Answer

65°

Answer

75°

Question 5

What is the perimeter of a regular octagon with side length 7?

Accepted Answer

56

Answer

42

Answer

49

Answer

64

Question 6

A cylinder has radius 3 and height 7. What is its volume? (Use π ≈ 3.14)

Accepted Answer

197.82

Answer

65.94

Answer

131.88

Answer

263.76