Question

in a triangle an exterior angle at a vertex 105° and one of its interior opposite angle is 55°. Find all the angles of the triangle.

Answer 1

hey mate ur ans

let the 2 nd interior angel- x
1st angel ▶ 55°
2nd angel▶x

EXTERIOR ANGEL▶▶▶ 105°

now

x+55=105. «EXTERIOR ANGEL property»

x=105-55
x=55°

2nd=55°

Answer 2

Answer:

2 nd=55

Step-by-step explanation:

Let the second interior angle=x

1 St angle=55°

2 nd angle=x

Exterior angle=105°

Now

x+105=55 EXTERIOR ANGLE PROPERTY

x=105-55

x=55

2 nd=55