Question

find x in the in above figure​

Answer 1

Answer:

As XY =XZ

so 2x+7°=45°

2x=45+7

2x=52

x=52/2

x=26

Answer 2

Angle opposite to equal sides are equal so ,

$\angle \: y = \angle \: z$

$45\degree = 2x + 7 \degree$

$2x = 45 - 7$

$2x = 38$

$x = 19 \degree$

Now, using angle sum property (ASP)

$\angle \: x + \angle \: y + \angle \: z = 180 \degree$

$\implies \: 45 + 45 + \ \angle \: x = 180$

$\angle \: x = 90 \degree$

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