Question

I need the answer for this

Answer 1

Answer:

as u can see the place where x is located is right angle triangle soo thus prove x is 90

Step-by-step explanation:

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Answer 2

Answer:

Sum of all angles in a triangle is 180°

In triangle ABC

Angle A + Angle B + Angle C = 180 °

40°+ Angle B+ 90° = 180°

130° + Angle B = 180°

Angle B = 180 - 130

Angle B = 50°

Step-by-step explanation:

In triangle EBD

ANGLE E + ANGLE B + ANGLE D = 180°

100° + 50° + x = 180°

150° + x = 180°

x = 180 - 150

x = 30°