Question

Find the value of unknown angle and mention the property.​

Answer 1

Answer:

√c=60

due to this reason because angle is perpendicular so it is 90 degree and the angle is already given 40

90+40-180

so answer is 60

Answer 2

$\sf \red to \: find :$

Find the value of unknown angle and mention the property.

Here,In this figure two angles are marked.

$\sf \red{∆ABC}$

$\tt \angle \: A = 40°$

$\tt \angle \: B = 90°$

$\small \tt \angle \: C = 90° + 40° = 130° - 180°$

$= 50°$

So angle C is 50°.

$50° + 40° + 90° = \red{ 180°}$

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