This polygon has 4 sides 180(4-2) = 180(2) = 360 degree 80+90+2x + 3x = 360 170+5x = 360 5x = 190 x= 38 measure of angle t is 2(38)= 76 the answer is c. trust me hope this !
Another question on Mathematics
Mathematics, 21.06.2019 20:30
The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers