Question

please solve this all question ​

Answer 1

FIGURE. 6.222

interior angle B = 180°-125°

=55°

angle B = angle C (isosceles ∆ )

angle C = 55°

sum of the angles of ∆ = 180°

A + B + C = 180°

X + 55°+ 55° = 180°

X = 180° - 110°

X = 70°

FIGURE.6.223

Sum of the corresponding angles =

2x-30 + x+20 = 180°

3x-10 = 180°

3x = 180°

x = 60°

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