1 
In fig value of x is _________: 

2 
Pythagoras discovered the relationship between the sides of _______ triangle: 
 A. Acute
 B. Right
 C. Obtuse
 D. Scalene

3 
If (img) is right triangle with right angle at A, then Pythagoras theorem will be: 
 A. a<sup>2</sup>+b<sup>2</sup>=c<sup>2</sup>
 B. a<sup>2</sup>+c<sup>2</sup>=b<sup>2</sup>
 C. b<sup>2</sup>+c<sup>2</sup>=a<sup>2</sup>
 D. All of these

4 
A rectangular _______ is the union of a rectangle and its interior: 
 A. Interior
 B. Region
 C. Exterior
 D. Perimeter

5 
If the square of one side of a triangle is equal to the sum o the squares of the other two sides then the triangle is a ___________: 
 A. Acute
 B. Right
 C. Obtuse
 D. Scalene

6 
In a right angles triangle the largest angle is of: 
 A. 30°
 B. 45°
 C. 90°
 D. 60°

7 
The hypotenuse of right angle triangle is ______ than each of the other two sides: 
 A. Half
 B. Double
 C. Shorter
 D. Longer

8 
If a<sup>2</sup>+b<sup>2</sup>=c<sup>2</sup>then triangle is called: 
 A. Acute
 B. Right angled
 C. Obtuse
 D. Scalene

9 
Pythagoras a ____________ philosopher and mathematician: 
 A. American
 B. British
 C. Greek
 D. German

10 
If 3 cm and 4 cm are two sides of a right angled triangle, then hypotenuse is: 
 A. 6 cm
 B. 7 cm
 C. 5 cm
 D. 25 cm
