Step-by-step explanation:
The sum of the interior angles of a triangle is equal to 180° so we can write

Solving for y, we get

So the other two angles of the triangle are

and

A=a+b/2 (h) is the equation.
The correct answer is 784 m^2
The answer is 9 pls mark as brainliest :))
Answer:
Step-by-step explanation:
3x^4+6x^3-x^2+1...............