Answer:
A=542
Step-by-step explanation:
none, sorry
Answer: 5x-2?
Step-by-step explanation:
I’m not sure if that’s right
Answer:
280
Step-by-step explanation:
You need to estimate. So round your number to the nearest ten. The answer is 280.
Answer:
Missing angle = 135°
Step-by-step explanation:
Given:
Pentagon shape
Number of right angle = 3
Remain two angles are equal
Computation:
Sum of Pentagon angles = 540°
So,
90 + 90 + 90 + a +a = 540
270 + 2a = 540
a = 135°
Missing angle = 135°