Question

ans fast ..........,it hard​

Answer 1

Answer:

x+47°+52°=180°

x=180°-99°

x=81°

Answer 2

Answer:

81 degree

Step-by-step explanation:

sum of all the interior angles = 180

angles given - 47,52

let the unknown ange be x

given

47 + 52 + x = 180

99 + x = 180

x = 180-99

x = 81

the third angle is 81 degree