In the figure given, AB || CD and CA = CE. If angle ACE= 74° and angle BAE= 15°, find the values of x and y.
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In the figure given, AB || CD and CA = CE. If angle ACE= 74° and angle BAE= 15°, find the values of x and y.
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Answer:
x = 127 y = 38
Step-by-step explanation:
in ∆ ACE
angle A = angle E ( angle opposite to equal sides)
let it be a
a+a+74= 180 (angle sum)
2a= 180-74
a= 106/2
a= 53
angle CEA = 53
angle AEB = 180-angle CEA (linear pair)
x=180-53
x= 127
in ∆ ABE
15+127+ABE= 180 (angle sum)
angle ABE= 180-142
= 38
BCD = ABE ( alternate angles)
y=38
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