Question

Understanding Shapes 247
y
11. In the adjoining figure, the value of x + y is
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Answer 1

Answer:

Δ ABC ≅Δ PQR by sss property

so Angle ∠ ACB = ∠ RQP

40

∘

=y

y=40

∘

∠ ABC 60

∘

∠x+∠ABC+∠ACB=180

∘

∠x=180−(60+40)

∠x=80

∘

x=80

∘

Explanation: