Q1. 
An exterior angle of a triangle is 70^{o} and one of its interior opposite angles is 25^{o}. Find the measure of the other interior opposite angle. 




Q2. 
State True or False: "Two obtuse angles cannot be adjacent". 




Q3. 
The lengths of two sides of a triangle are 12 cm and 4 cm. Between which two numbers, the third side of the triangle will fall ? 




Q4. 
If two altitudes of a triangle are two of its sides, then the triangle must be a  triangle. 




Q5. 
Identify value of angles x, y and z in the below diagram ? 




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Q6. 
Refer the following diagram. Select correct congruent triangles from the below options ? 




Q7. 
Which of the following pair of angles are supplement to each other ? 




Q8. 
When two angles are congruent, their measures are . 




Q9. 
26^{o} angle is the complement of the which of the below angles ? 




Q10. 
Largest angle of a triangle is 20 degrees more than twice of the smallest angle. Find all the three angles of the triangle when the third angle is 20 degrees more than the smallest angle ? 





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