How do i find x and y?

Solution,

We know ,

AB = AC

<B = <C

< A + <B + <C = 180° ( sum of angle in triangle)

or, 46 + y + y = 180°

or, 46 + 2y = 180°

or, 2y = 180° - 46°

or, 2y = 134

or, y = 134/2

y = 67°

The value of y is 67°

Now, In ∆ ABD

<BAD + <B + < ADB = 180°

or, 23 + 67 + X = 180°

or, 90 + X = 180

or, X = 180 - 90

X = 90°

The value of X is 90°

Hope this helps ...

Good luck on your assignment...

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