Question

<3 and <4 are supplementary angles. Given m<3 = 56°, find m<4.

Answer 1

• m<3=56°
• m<4=?

Both are supplementary angles.

$\\ \rm{:}\twoheadrightarrow m<3+m<4=180$

$\\ \rm{:}\twoheadrightarrow 56+x=180$

$\\ \rm{:}\twoheadrightarrow x=180-56$

$\\ \rm{:}\twoheadrightarrow x=124$