Question

5.
AABC = APQR such that
XA = 30°, ZR = 70° then ZB =
(a) 40°
(b) 70°
(c) 80°
(d) None
Section - B​

Answer 1

Answer:

80°

Explanation-

unknown angle = 180-sum of angles ( Angle sum property of the triangle)

=>180-70+30

(using BODMAS)

=>180-100

unknown angle = 80°

Since angle B = angle Q

Angle B & Angle Q = 80°

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