Question

In ABC, 2∠A = 3∠C and ∠A = 30

0

find ∠B, ∠C.

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Answer 1

Answer:

2∠A=3∠C

=> 2×30= 3×∠C

=> 60= 3×∠C

=> ∠C= 60÷3

=> ∠C= 20°

∠A+∠B+∠C= 180° (Angle sum property of triangle.)

=> 30°+20°+∠B = 180°

=> 50°+∠B= 180°

=> ∠B= 180-50

=> ∠B = 130°

∠C= 20°

∠B= 130°

Answer 2

Answer:

See the attachment.

Hope it will help you ...