Question

Q.6 : if one angle of a triangle is equal to the sum of the other two, then triangle is a/an *

Acute Angle Triangle

Obtuse Angle Triangle

Right Angle Triangle

None of above​

Answer 1

Answer:

In △ABC,

∠A=∠B+∠C

Now, sum of angles = 180

∠A+∠B+∠C=180

∠A+∠A=180

∠A=90

∘

Thus, △ABC, is a right angled triangle.

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Answer 2

Answer:

Right Angle Triangle.

Step-by-step explanation:

Dude its very easy.....

Let the 2 angles of a triangle be x and y.

Hence, the third angle = x + y

now, we know, sum of all angles of a triangle is 180°

A.T.P.

=) x + y + (x + y) = 180°

=) 2x + 2y = 180°

=) 2(x + y) = 180°

=) x + y = 90°

Thus,

As one of the angles of the triangle is 90°, the triangle is Right Angle Triangle.

Hope it helps you buddy....

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