If one angle of a - is equal to the sum of the other two- the triangle is

The correct option is B right angledLet the angles of the triangle be a,b,c. And, b = a+cThen, nbsp;a +b+c = 180b + b = 180b = 90^∘ Thus, the triangle ...

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Byju's Answer

Standard VII

Mathematics

Properties of Isosceles and Equilateral Triangles

If one angle ...

Question

If one angle of a $Δ$ is equal to the sum of the other two, the triangle is

isosceles

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equilateral

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right angled

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ordinary

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Solution

The correct option is B right angled
Let the angles of the triangle be a,b,c.
And, b = a+c
Then, a +b+c = 180
b + b = 180
b = $90^{\circ}$
Thus, the triangle is a right angled triangle.

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If one angle of a Δ is equal to the sum of the other two, the triangle is

The correct option is B right angledLet the angles of the triangle be a,b,c. And, b = a+cThen, a +b+c = 180b + b = 180b = 90∘Thus, the triangle is a right angled triangle.

If one angle of a $Δ$ is equal to the sum of the other two, the triangle is

The correct option is B right angled
Let the angles of the triangle be a,b,c.
And, b = a+c
Then, a +b+c = 180
b + b = 180
b = $90^{\circ}$
Thus, the triangle is a right angled triangle.