Question

find the value of unknown angles​

Answer 1

Answer:

45°

Step-by-step explanation:

x + x + 90 = 180 ( Angle sum property)

2x + 90 = 180

2x = 180 - 90

2x = 90

x = 90/2

x = 45°

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Answer 2

ㅤ$\huge\bold{\gray{\sf{Answer:}}}$

Explanation:

In this figure ,it is a right angle triangle:

• A right angle triangle having one right angle each and other two angles make sum of 90°

Now ,solving

$90 + x + x = 180(angle \: sum \: property)$

$90 + 2x = 180$

$2x = 90$

$\bold{\pink{x = 45}}$

The other two angles is 46° each and one right angle .

Properties of right angle triangle

• A right angle Triangle having longest side called Hypotenuse.In figure,AC is the hypotenuse
• The other two sides except hypotenuse is base and perpendicular to respectively.

$\bold{\boxed{Area \: of \: right \: angle \: triangle = \frac{1}{2} \times (base \times height)}}$