Question

A regular pentagon has side length 12 cm. The perimeter of the pentagon is 60cm and the area is 247.7 cm^2. A second regular pentagon has side lengths equal to 24cm. Find the perimeter of the second pentagon.

Answer 1

A.329 cm
B.144 cm
C.150 cm
D.120 cm

Answer 2

how many sides does each pentagon have?

Answer 3

5?

Answer 4

so, what's a perimeter of a polygon?

Answer 5

60?

Answer 6

oh wait

Answer 7

nevermind...I don't know...

Answer 8

lemme give you another figure

what's the perimeter of that?

Answer 9

18.

Answer 10

how did you get that?

Answer 11

by adding all the sides together.

Answer 12

ohhhh! I see

well, a pentagon, 5 sides, of 12cm has a perimeter of
5 sides, 12cm each side, so that's given

you want to find out what's the perimeter of another pentagon, similar
it's a pentagon, 5 sides, each side is 24cm
so what do you think the perimeter of that will be?

Answer 13

120.

Answer 14

:)

Answer 15

yaay! Thank you!!! Can you help me with another one?

Answer 16

ok

Answer 17

In the Triangle shown below, find the measure of angle B. Round to the nearest degree.
A.28
B.30
C.32
D.34