Question

. In triangle pqr, PQ = PR and = 40°. Then is equal to ________. A) 40 B) 50° C) 80° D) 100°

Answer 1

Step-by-step explanation:

right answer will be 100..

... coz angle p and q both are 40 means 40 plus 40 us 80

a triangle all angles sum is 180 so 180 minus 80 is 100

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Answer 2

Answer:

D) 100 °

Step-by-step explanation:

Sum of three angles of triangle = 180

soo... Let the unknown value be x

40+40+x = 180

80+x = 180

x = 180-80

x = 100°

Hope it helps...