Question

1.
Find 'x' in the following figure?
(i) A=56° & B=x° & C is given blank & D = 123° {EXTERIOR ANGLE} in a triangle....
Please answer my question​

Answer 1

Answer:

B=67

C=57

Step-by-step explanation:

To find out angle C

C+123=180° [Linear pair]

C=180-123

C=57°

To find angle B

Angle A+B=123[Exterior angle is equal to the sum of interior opposite two angles]

56°+B=123°

B=123°-56°

B=67°

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