Question

Find angle CAB from the given figure
complete question in the attachment
please answer with Full explanation​

Answer 1

Answer:

angle A = 90°

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Answer 2

Answer:

angle B as whole will be 180(straight line)

so angle ABC=180-130

=50

angle C as whole will also be180(straight line)

so angle ACB=180-140

=40

NOW,sum of all angles of a triangle is 180

so,angleABC+angleACB+angleCAB=180

50+40+angleCAB=180

angleCAB=180-90

=90

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