1 Answer

Orvid King · Answer 1 · 2023-09-29T04:10:45+0000

The angle 7 is given as, m<7 = 131°.

The sum of angle 7 and angle 8 is 180°.

$m\angle7+m\angle8=180^(\circ)$

Substitute the m<7 = 131°.

$171^(\circ)+m\angle8=180^(\circ)$
$m\angle8=180^(\circ)-171^(\circ)$
$m\angle8=49^(\circ)$

Thus the value of angle 8 is,

$m\angle8=49^(\circ)$

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