<2 = 39°. Find m<4 and explain how you know. Drawing not to scale.
Answer (1 point): m<4 =
How do you know? (1 point)
1 answer
m<4 = 51° because the sum of the angles in a triangle is 180°. Since 2 angles (2° and 39°) already add up to 41°, the third angle must be 51° to make the total 180°.