Answer:
x=60°
Step-by-step explanation:
angle 135° and (2x+15)° are corresponding and thus are equal
Therefore (2x+15)°=135°
2x=135-15
2x=120°
X=60°
220
40 x 8 = 320, and 10 squared is 100. 320 - 100 = 220.
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2 2/3
the answer is c 60%, may i have brainlyiest