Question

MEDAL AND FAN

A porch has the shape of a semicircle with a diameter of 7 ft.

What is the approximate area of the porch, rounded to the nearest square foot? Use 3.14 to approximate pi star.

Answer 1

@AlexandervonHumboldt2 @iGreen @StudyGurl14

Answer 2

Firstly, do you know how to calculate area of a cirlce?

Answer 3

a semicircle is just half of a circle.

Answer 4

so just use. A = (pi*r^2)/2

Answer 5

@arjund12 what's next?

Answer 6

nothing, that is your answer.

Answer 7

what's the steps to get my answer? @arjund12

Answer 8

@iGreen

Answer 9

diamete = 7
radius = 7/2
A = [(3.14)*(7/2)^2]/2 <- this is the area of the porch.

Answer 10

A = 19.23

Answer 11

ft^2

Answer 12

19.2325?

Answer 13

I have to round to the nearest whole number though?

Answer 14

so 19 is the nearest whole number.

Answer 15

Thank You

Answer 16

No problem. :D