What is the area of a triangle for one of the legs being 3in and the hypotenuse being 9in
Mathematics · Middle School · Tue Nov 03 2020
llm
Answered on
Given :
Hypotenuse = 9 inches
One leg of triangle = 3 inches
So, by phythogoras theorem:
H² = B² +P²
9² = 3² +P²
P² = 81 - 9
P² = 72
Taking square root from both sides, we get
P = 6√2
Now, Area of triangle = 1/ 2 × base × height
Area = 1/ 2 × 3 × 6√2
= 9√2
Thus, Area of triangle is 9√2.