1

Problem

Find the Perimeter of a triangle.

2

Formula

The perimeter of a triangle is P = a + b + c.

3

Step

The sides of a triangle are

15 ft,16 ft,12 ft

4

Step

Substitute the values

P= 15 + 16 + 12

5

Step

Simplification

43.00

6

Solution

Then the perimeter of a triangle is 43 ft.

7

Sumup

Please summarize steps

Choices

8

Choice-A

This is incorrect answer for the perimeter of the isosceles triangle

Wrong 40 ft

9

Choice-B

This is incorrect answer for the perimeter of the isosceles triangle

Wrong 42 ft

10

Choice-C

This is the correct answer for the perimeter of the isosceles triangle

Correct 43 ft

11

Choice-D

This is incorrect answer for the perimeter of the isosceles triangle

Wrong 45 ft

12

Answer

Option

C

13

Sumup

Please summarize choices