Study guides

☆☆

Q: Find the area of an equilateral triangle that has a perimeter of 21 inches. round the answer to one decimal?

Write your answer...

Submit

Still have questions?

Related questions

Find the area of an equilateral triangle that has a perimeter of 21 inches. Round the answer to one decimal place.

21.2 sq inches.

the answer is 32

18 inches and it is an equilateral triangle

21.20

6in.

12 inches

The perimeter is the sum of all sides. An equilateral triangle has three sides of equal length. So if one side is 5 inches, and we have three of these, we get a perimeter of 15 inches.

6 inches

2.5 inches

9 inches

It is: 3*9 = 27 inches

People also asked