Question

Three angles of a triangle are x+5, x+10 and x+15 find x

Answer 1

(x+5)+(x+10)+(x+15)=180°

3x+30=180°

3x=180-30

3x=150°

x=150/3

x=50°

55°,60°,65°

Answer 2

The value of x is 50°.

Step-by-step explanation:

Given : Three angles of a triangle are x+5, x+10 and x+15.

To find : The value of x ?

Solution :

The sum of three angles of a triangle is 180°.

Three angles of a triangle are x+5, x+10 and x+15.

So, $(x+5)+(x+10)+(x+15)=180^\circ$

$3x+30=180$

$3x=180-30$

$3x=150^\circ$

$x=\frac{150}{3}$

$x=50^\circ$

Substitute the value,

x+5=50+5=55

x+10=50+10=60

x+15=50+15=65

The angles are 55°,60°,65°.

#Learn more

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