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Acute Angled Triangle

All angles of...

Question

All angles of a triangle can be __________ angles.

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Solution

An angle whose measure is less than 90º is called an acute angle. A triangle can have three acute angles such that their sum is 180º. A triangle which has all acute angles is called an acute triangle.

All angles of a triangle can be acute angles.

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Similar questions

Q. Which of the following statements are true (T) and which are false (F):

(i) Sum of the three angles of a triangle is 180°.

(ii) A triangle can have two right angles.

(iii) All the angles of a triangle can be less than 60°

(iv) All the angles of a triangle can be greater than 60°.

(v) All the angles of a triangle can be equal to 60°.

(vi) A triangle can have two obtuse angles.

(vii) A triangle can have at most one obtuse angles.

(viii) If one angle of a triangle is obtuse, then it cannot be a right angled triangle.

(ix) If one angle of a triangle is obtuse, then it cannot be a right angled triangle.

(x) An exterior angle of a triangle is less than either of its interior opposite angles.

(xi) An exterior angle of a triangle is equal to the sum of the two interior opposite angles.

Q. Which of the following is true?
(i) A triangle can have two obtuse angles.
(ii) A triangle can have all angles equal to

60^{o}

.
(iii) A triangle can have all angles more than

60^{o}

.

Q. Which of the following is true?
(i) A triangle can have two obtuse angles.
(ii) A triangle can have all angles equal to

60^{\circ}

.
(iii) A triangle can have all angles more than

60^{\circ}

.

I) can a triangle have all angles less than 60 degree explain.

II) can a triangle have all angles equal to 60 degree explain.

Q. Which is true?
(a) A triangle can have two right angles.
(b) A triangle can have two obtuse angles.
(c) A triangle can have two acute angles.
(d) An exterior angle of a triangle is less than either of the interior opposite angles.

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