116k views
4 votes
Art wants to cover an isosceles triangle with a height of 9 centimeters and a base of 7 centimeters in fabric. How much fabric does he need?

User Eugenhu
by
4.7k points

2 Answers

3 votes

Answer:

The answer is clearly 63cm2

Explanation:

your welcome i mean think about 9x7

User Jbird
by
4.5k points
1 vote

Answer:

31.5 cm²

Explanation:

Calculate area of a triangle with this formula:

Area =
(1)/(2) base * height

Substitute in known values

Area =
(1)/(2) 7 * 9

Multiply 7 by 1/2

Area = 3.5 * 9

Multiply

Area = 31.5 cm²

Hope this helps :)

User Kris Jobs
by
4.8k points