<span>This polygon is composed of a right triangle and <span>a parallelogram.
The area of right angle :

The area of the </span></span><span>parallelogram</span>:

The area of the polygon is equal:

Therefore, the answer is:
Answer:
x = 15
Step-by-step explanation:
We want to solve for x in 3*(2x + 5) = 3x + 4x
First simplify.
3*(2x + 5) = 7x
Next, distribute the 3.
3*2x + 3*5 = 7x
6x + 15 = 7x
15 = 7x - 6x
15 = x
Answer:
an = 3n – 5; a16
Step-by-step explanation:
your answer is a