Question

8) Landon drew this interesting figure on his paper in class. Since the class was learning about perimeter
and area he decided he wanted to know what the area of this figure would be. What is the area of
Landon’s composite figure?
a. 280 cm2
b. 43.96 cm2
c. 356.93 cm2
d. 153.86 cm2

9) A park is shaped like a circle. Math Club students realized that the diameter is about 76 feet. They want
to calculate how many steps it will take to walk around the outside of the entire park but are not sure
what formula to use. What formula can they use to calculate the distance around the park?
a. π x 76 x 76 b. π x 76 c. π x 38 d. 2 x π x 76

Answer 1

Given :  A park is shaped like a circle.

diameter is about 76 feet

To Find : What formula can they use to calculate the distance around the park

a. π x 76 x 76

b. π x 76

c. π x 38

d. 2 x π x 76

Solution:

distance around the park  = Circumference of circle

Circumference of circle = 2 π R

R = Radius of circle

= π ( 2 R)

2R  = 2 * Radius = Diameter

= π * Diameter

Diameter = 76

= π * 76

π * 76 is the formula can be uses to calculate the distance around the park

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Sum of circumference of a circle and perimeter of a square is ...

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