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`