Question

solve the given questions​ click the image

Answer 1

FIRST FIGURE :-

Required Formula :-

Exterior Angle = Sum Of Two Interior Opposite Angles

Solvation :-

From The Above Formula,

ABD = BCD + CDB

$5 x + 13 = 4x + 2 + 2x + 9$

$5x + 13 = 6x + 11$

$5x + 13 - 11 = 6x$

$2 = 6x - 5x$

$2 = x$

$x = 2$

SECOND FIGURE :-

Required Formula :-

The Sum Of Interior Angles Of A Triangle = 180

Solvation :-

From The Figure,

Angles P + Q + R = 180

$x + 4 + 2x - 3 + x - 1 = 180$

$4x = 180$

$x = \frac{180}{4}$

$x = 45$

CONCLUSION :-

First Figure : x = 2

Second Figure : x = 45

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