Question

if angle ABD is 90° in the figure given below, find the value of angle x

A) 40°
B) 145°
C) 91°
D) 51°​

Answer 1

Answer:

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Answer 2

Answer:

C

Step-by-step explanation:

Angle ABD = angle CBE

In triangle CBE

31 + 90+angle CEB =180

121+ angle CEB =180

Angle CEB = 180-121 = 59°

Also in triangle ADB

30 + angle D + 90 =180

Angle d =180-120 =60

Therefore angle x = 31+ 59= 90° closest to option c.