169,825 views
11 votes
11 votes
Find the area

please help i dont know what it wants me to do it would be nice if you would explain it but you dont have to.​

Find the area please help i dont know what it wants me to do it would be nice if you-example-1
User Plonknimbuzz
by
2.7k points

1 Answer

26 votes
26 votes

Answer: 54 cm^2

Explanation:

The area of a triangle is base*height/2.

To find the missing side of this triangle we can use pythagorean theroem. Let the unknown side = x

15^2 = 12^2+x^2

225 = 144+x^2

x^2 = 81

x = 9

Area = BH/2

Area = 9*12/2

Area = 54 cm^2

User Crazylammer
by
3.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.