Z = 99°
~ It is equivalent to the angle across from it.
X = 4
~ 99+7x+53=180 (add similar terms)
152+7x=180 (subtract 152 from both sides)
7x=28 (divide by 7)
x=4
Answer:
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Step-by-step explanation:
A = 1/2h(b1 + b2)
A = 1/2*9.28(10.5 + 21.1)
Using calculator
A = 146.624 square cm
