How do I solve for letters, a, b, c, d?
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Answer:
d+112=180 ......... linear pairs
d=180-112
d=68⁰
a+112 =180 ...... interior angles on same side of transversal
a=180-112
a=68⁰
a=b=68⁰ ....... vertically opposite angles
c=90 ............. alternate angles
Answered by
1
Answer:
As shown in fig. ∠C=90 degree......(alternate interior angle ar equal)
∠ D +112 = 180....linear pair
∠D=180-112=68 degree
∠D=∠A........(alternate interior angle)
∠A=68 degree
∠A=∠B.......(vertically opposite angle are equal
∠B=68 degree
∴∠A=68 ,∠B=68 ,∠C=90 ,∠D=68 ..
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