Question
Given a △ABC, and the sum of two angles of the triangle is 90∘. What type of triangle is it? [2 MARKS]
Answer:
:
Triangle: 2 Marks
Given that:
The sum of two angles of the triangle is 90∘.
We know that the sum of all the three angles in a triangle is 180∘.
∴ The other angle = 180-90 = 90∘
Now we know that if one of the angles in a triangle is 90∘, then the triangle is a right-angled triangle.
Hence, the given triangle is a right-angled triangle.
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:
Triangle: 2 Marks
Given that:
The sum of two angles of the triangle is 90∘.
We know that the sum of all the three angles in a triangle is 180∘.
∴ The other angle = 180-90 = 90∘
Now we know that if one of the angles in a triangle is 90∘, then the triangle is a right-angled triangle.
Hence, the given triangle is a right-angled triangle.
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