Exterior Angle Sum Property of a Triangle

Q.

Is it possible to have a regular polygon whose each interior angle is $130°$?

Q.

An exterior angle of a triangle measures $110°$ and its interior opposite angles are in the ratio $2:3$. Find the angles of the triangle.

Q. Find the measure of the angle $\angle x.$

1. ${90}^o$
2. ${100}^o$
3. ${110}^o$
4. Insufficient data

Q. For the given diagram, $m\angle ACD=$

1. $m\angle C+m\angle B$
2. $m\angle B+m\angle A$
3. $m\angle C+m\angle A$

Q. The value of $\angle x$ is

1. ${100}^{\circ }$
2. ${110}^{\circ }$
3. ${120}^{\circ }$
4. ${130}^{\circ }$

Q.

Is it possible to have a polygon whose sum of interior angles is $2880°$

Q. If the exterior angles of a triangles are in the ratio $1:3:5,$ find the angles.

1. ${40}^o$
2. ${60}^o$
3. ${120}^o$
4. ${200}^o$

Q. Determine the measure of the angle ∠y.
degrees


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Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Sum of all the exterior angles of a triangle is equal to degrees.

Q. The sum off all the exterior angles of a triangle is equal to .

1. ${180}^{\circ }$
2. ${360}^{\circ }$
3. ${270}^{\circ }$

Q. Find the possible group(s) of exterior angles of a triangle.

1. ${157}^o,{186}^o,{17}^o$
2. ${190}^o,{170}^o,0^o$
3. ${157}^o,6^o,{17}^o$
4. ${270}^o,{45}^o,{45}^o$

Q. For the given diagram, the value of $m\angle QBC$ is

1. ${50}^{\circ }$
2. ${60}^{\circ }$
3. ${40}^{\circ }$