Question

which type of triangle is it?
a 60°,70°,50°
b 90°,45°,45°​

Answer 1

Answer:

a.) Acute triangle.

b.) Right-angled triangle.

Step-by-step explanation:

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Answer 2

Answer: (a) - acute angled triangle

(b) - right angled triangle

Step-by-step explanation:

Acute angle : angles with magnitudes lesser than 90° are known as acute angles.

If all three angles in a triangle are acute angles the triangle will be named as an acute angled triangle.

In your question, 60°, 70° and 50° are the magnitudes of the angles that are given, all three angles are lesser than 90°, so they are acute angles.

Therefore your triangle in (a) is an

acute angled triangle.

Right angle : an angle with a magnitude of 90°.

Out of three angles if one angle in a triangle is a right angle, then the triangle becomes a right angled triangle, no matter what are the other two angles.

In your question (b), the angles that are mentioned are 90°, 45° and 45°.

One of three angles is 90°, so your triangle becomes a right angled triangle, no matter the other two angles are acute angles.

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