Question

plzzz tell it it's an emergency...​

Answer 1

Step-by-step explanation:

BEC => 30°

ECD => 20°

BAC => ?

we know this,

a + b + c => 180°

here,

=> E + C + A = 180° :)

=> 30° + 20° + A = 180°

=> 50° + A = 180°

=> A = 180° - 50°

=> A = 130°

Hope Helpful:)