Great job! you didn't include the rectangle! no one can answer this question! you're the best!
Answer:
39
Step-by-step explanation:
6x-15+3x+6=90
Simplify: 9x-9=90
9x=99
x=11
3(11)+6
33+6
<H= 39
It will tell you if the wall meet at a perfect right angle.
In a right triangle, the sum of the squares of the legs is equal to the square of the hypotenuse. This can be used to test any triangle.
Eqn (1)*3: 15x + 6y = -9 -> Eqn (3)
Eqn (3) - Eqn (2): 12x = -15
x = -5/4 = -1 1/4
Eqn (2): -15/4 + 6y = 6
6y = 9 3/4
y = 1 5/8
x = -1 1/4
y= 1 5/8
Answer:
I think its 45
Step-by-step explanation:
