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Isosceles triangles can be acute or obtuse.

User Salmon
by
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1 Answer

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Given:

The isosceles triangle.

Required:

Isosceles triangles can be acute or obtuse.

Step-by-step explanation:

You can three types of isosceles triangles:

acute-angled isosceles triangle

All the angles are acute and the base angles are equal.

eg:

75°,75°,30° or 50°,50°,80°

right-angled isosceles triangle

One angle is

90° and the other two are both 45°

45° , 45°, 90° ← (like one of the usual set squares)

obtuse-angles isosceles triangle

One angle is obtuse and the base angles are equal.

eg:

30° ,30°, 120°or 25°, 25°, 130°

Answer:

An isosceles triangle can be acute or obtuse.

User Chikuba
by
7.9k points

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