Question

Please help me friends

Answer 1

Answer:

answer is 80⁰

Step-by-step explanation:

let the unknown equal angle be x⁰

sum of the four angles of quadrilateral is 360⁰

then 121⁰+79⁰+x⁰+x⁰=360⁰

solving it you will get x=80⁰

Hope it will help you

Answer 2

Answer:

80°

Step-by-step explanation:

Angles of a quadirateral add upto 360° .

Sum of known angles = 121 + 79 = 200° .

Sum of unknown angles = ( 360 - 200 ) = ( 160° )

Since the unknown angles were equal,

2 * (unknown angle) = 160°

therefore, the angle = 160/2 = 80°

Ans. = 80°