State whether true or false: A triangle which has all the three angles less than 90°, is called an acute-angled triangle or acute triangle.

True

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False

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Solution

The correct option is A True
It is true that a triangle which has all the three angles acute that is, less than 90°, is called an acute-angled triangle or acute triangle.
If one angle is greater than 90 degrees, then it is known as obtuse-angled triangle.

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Similar questions

State whether the following statement is true or false.

If one angle of a triangle is less than 90°, it is known as an acute-angled triangle.

State whether the following statement is true or false.

If one angle of a triangle is less than 90 degrees, it is known as an acute-angled triangle.

Q. State True or False.
Isosceles triangle has only acute angles.

An obtuse-angled triangle is one in which all the angles are less than 90°. State true or false.

Question 104

State whether the statement is True or False.

If the hypotenuse and an acute angle of one right-angled triangle are equal to the hypotenuse and an acute angle of another right-angled triangle, then the triangles are congruent.

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State whether true or false: A triangle which has all the three angles less than 90°, is called an acute-angled triangle or acute triangle.

The correct option is A TrueIt is true that a triangle which has all the three angles acute that is, less than 90°, is called an acute-angled triangle or acute triangle. If one angle is greater than 90 degrees, then it is known as obtuse-angled triangle.

The correct option is A True
It is true that a triangle which has all the three angles acute that is, less than 90°, is called an acute-angled triangle or acute triangle.
If one angle is greater than 90 degrees, then it is known as obtuse-angled triangle.