Answer:
By virtue of the Pythagorean Theorem, in a right triangle the sum of the squares of the smaller two sides equals the square of the largest side. Only 9, 12, and 15 fit this rule.
The correct answer is 60cm^2 because the area of a triangle is half base*height -> 30/2*40
Answer:
-4/13
Step-by-step explanation:
just using your calculator and you can get the answer.