Question

Find the unknown Angle:
Answer fast​

Answer 1

Answer:

HEY MATE ,

WE KNOW THAT

SUM OF ALL ANGLES IN A TRIANGLE IS 180°

LET UNKOWN ANGLE BE "x"

$30 + 90 + x \: = 80 \\ 120 + x \: = 180 \\ x = 60$

SO THAT UNKNOWN ANGLE = 60°