Choose the correct answer from the given alternative:

Sum of the three exterior angles of a triangle is _____________.

A. two right angles

B. three right angles

C. one right angle

D. four right angles

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Solution

The sum of three exterior angles of triangle is four right angles

Correct Option: D

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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. Prove that the sum of the three angles of a triangle is two right angles. If in a right angles triangle an acute angle is 1/4th the other, find the acute angles.

Question 4 (i)
Given three side of a triangle can be the sides of a right angled triangle or not?
2.5 cm, 6.5 cm, 6cm
In case of right angled triangle, identify the right angle.

Q. Choose the correct answer from the alternatives given :
The ratio of circumradius and hypotenuse of a right- angled triangle is

Q. The sum of all three interior angles in a right angled triangle is equal to ___.

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Choose the correct answer from the given alternative: Sum of the three exterior angles of a triangle is _____________. A. two right angles B. three right angles C. one right angle D. four right angles

The sum of three exterior angles of triangle is four right angles Correct Option: D

Choose the correct answer from the given alternative:

Sum of the three exterior angles of a triangle is _____________.

A. two right angles

B. three right angles

C. one right angle

D. four right angles

The sum of three exterior angles of triangle is four right angles

Correct Option: D