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soldier1979 [14.2K]
3 years ago
12

PLEASE HELP ME WITH THIS! ANYONE? HELP

Mathematics
2 answers:
Misha Larkins [42]3 years ago
7 0

Answer:

a) 7 cm

b) 185.5 cm^2

Step-by-step explanation:

a)

Let the side of each of the small square be x.

We have 3 squares that have a side of x.

Then we have a quarter circle with x radius.

The perimeter of the entire figure consists of 6 segments of length x and a quarter circumference of a circle with radius x.

perimeter = 6x + 2(pi)x/4

The perimeter = 53 cm

6x + 2(pi)x/4 = 53

7.571x = 53

x = 7

Answer: The radius is 7 cm.

b)

The area of the whole figure is the area of 3 squares of side 7 cm plus a quarter circle of radius 7 cm.

area = 3s^2 + (pi)r^2/4

area = 3(7 cm)^2 + (pi)(7 cm)^2/4

area = 147 cm^2 + 38.5 cm^2

area = 185.5 cm^2

Answer: The area is 185.5 cm^2

Anarel [89]3 years ago
5 0

Answer:

a) 7 cm

b) 185.5 cm^2

Step-by-step explanation:

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Hi,


The equation looks like this...

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