Let's set the first angle as x, the second angle is then 4x, and the third angle is (x+4x)+15, which is 5x+15
the three angles make a sum of 180: x+4x +5x+15=180
10x=165
x=16.5
the second angle is 4x=4*16.5=66
Answer:
greater then
Step-by-step explanation:
<u>Answer:</u>
225 ft²
<u>Steps:</u>
(20×10)+5² = 200+25 = 225 ft²
I think this is what you want to do
Your welcome
Answer:
5x-2
Step-by-step explanation:
2x+3x=5x
5-7=-2