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Let us define acute angle

An acute angle is 1 which is less than 90° is know as acute angle

A triangle has angle 43º, 64º and 73º. What type of triangle is this?

Solution: Here all the given angles are less than 90°, hence the given triangle angles are an acute triangle.

A triangle has angle 39º, 65º and 76º. What type of triangle is this?

Solution: Here all the given angles are less than 90°, hence the given triangle angles are an acute triangle.

A triangle has angle 45º, 56º and 79º. What type of triangle is this?

Solution: Here all the given angles are less than 90°, hence the given triangle angles are an acute triangle.

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