Question

Two equal angles of a triangle are of measure 45°. What is the degree measure of the third angle?
(A) 90°
(B) 50°
(C) 60°
(D) 110°​

Answer 1

Answer:

Option (A)90

LET ANGLE A=45 (GIVEN)

ANGLE B=45 (GIVEN)

ANGLE C=X

ACCORDING TO THE QUESTION,

ANGLE A+ANGLE B+ANGLE C=180

45+45+X=180

90+X=180

X=180/90

SO,X=90 ans