Question

1. Two angles of a triangle are 40° and 60°. Calculate
all its outer angles.​

Answer 1

Answer:

the 3rd angle is 80°

Step-by-step explanation:

80° because

total angle of a triangle is 180

and 1st = 40

2nd = 60

so, 60+40 = 100

180-100 = 80

hence , answer is 80

Answer 2

Answer:

140°, 120°, 100°

Step-by-step explanation:

the picture is the step by step explanation.