Sum of Angles of a Triangle

Q. Each of the two equal angles of a triangle is twice the third angle. Find the angles of the triangle.

Q. The sum of an exterior angle of a triangle and its adjacent angle is always _____.

1. ${90}^{\circ }$
2. ${120}^{\circ }$
3. ${180}^{\circ }$
4. ${360}^{\circ }$

Q. The base angle of an isosceles triangle is ${15}^{\circ }$ more than its vertical angle. Find its each angle

Q. In an triangle ABC , A is 50° more than B and C is 20° less than B . what are the angles of a triangle

Q. In $△$ABC, $\angle$ A=${50}^{\circ }$ and $\angle$ B=${60}^{\circ }$ , then the value of x is and y is.

1. ${110}^{\circ }$
2. ${100}^{\circ }$
3. ${70}^{\circ }$
4. ${120}^{\circ }$
5. ${80}^{\circ }$

Q.

The value of the exterior angle of a triangle is equal to the sum of ____.

1. the two interior opposite angles

2. the other two exterior angles of a triangle

3. all the interior angles of a triangle

4. the value of external angles of a triangles cannot be found

Q.

One angle of a triangle is ${60}^{\circ }$. The other two angles are in the ratio of 5 :7. Find the two angles.

Q.

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 of the following angles form a triangle?

1. 100^o, 50^o, 40^o

2. 110^o, 50^o, 40^o

3. 160^o, 10^o, 10^o

4. 10^o, 70^o, 40^o

Q.

If the sum of measures of two angles is $180°$, then they are _________.

Q.

If the angle of a triangle are in the ratio 1:2:3, find the angles.classify the triangle in two different ways.

Q.

If the angles of a triangle are in the ratio 1:2:3 then determine the three angles.

Q. 3LA=4LB=6LC CALCULATE ALL THE ANGLES OF THE TRIANGLE

Q.

A triangle can have at the most ____ right angle(s).

1. 2
2. 4
3. 3
4. 1

Q.

Sum of the exterior angles of a triangle is ___ .

1. 90

2. 180

3. 360

4. 135

Q.

In a pair of supplementary angles both the pair are obtuse

1. True
2. False

Q. Angles of a triangle are in ratio of 2 : 3 : 4.find the angle

Q.

Choose the correct word and fill in the blanks :

………………… angles are two angles whose measures add to $180°$. (complementary / supplementary)

Q.

Write three numbers that can form the angles of a triangle.

Q.

The sum of the interior angles of a triangle is ___.

1. 180

2. 360

3. 135

4. 90

Q.

In a right angle $\Delta$, if one acute angle measures $x^{\circ }$, then the measure of the other acute angle is ___

1. $\frac{x}{2}$

2. $({180}^{\circ }-x^{\circ })$

3. $x$

4. $({90}^{\circ }-x^{\circ })$

Q.

Can we construct a triangle whose angles are $65°,45°\mathrm{and}90°?$

Q. Good afternoon mam/sir
my query to you is......can 40, 50& 100 deegres be the angles of triangle?why?
Thank you

Q.

State which of the following sets of angles will form a triangle?

${50}^{\circ },{120}^{\circ },{10}^{\circ }$

Q.

Fill in the following blanks :

In every triangle, an exterior angle + adjacent interior angle = ______ degrees.

Q.

In triangle $ABC$, $2\angle A=3\angle B=6\angle C$. Calculate $\angle A,\angle B$ and $\angle C$.

Q.

Angles of a triangle are $(x+{10}^{\circ }),(x+{40}^{\circ })$ and $(2x-{30}^{\circ })$. Find the value of x.

1. ${10}^{\circ }$

2. ${40}^{\circ }$

3. ${30}^{\circ }$

4. ${20}^{\circ }$

Q. Two angles of a triangle are equal and the third angle is greater than each of those angles by 30°. Determine all the angles of the triangle.

Q. Find the value of x in the following figure if AB || CD and BC || ED.

1. 75°
2. 160°
3. 105°
4. 135°

Q. The three angles of a triabgle are in the ratio 1:2:3.Find al; amgles of the triangle.