Question

two equal angles of a triangle are of measure 70°each. the measure of third angle is-
(1). 20°
(2). 50°
(3). 40°
(4). 60°​

Answer 1

we know the angles in triangle is180°

70+70+X=180

140x=180

X=180/140=40°

Answer 2

Answer:

3) 40

Step-by-step explanation:

let the third angle be x

70 +70 +x =180

x= 180 - 140= 40