Pythagoras theorem

If a, b, c are sides of a triangle and a² + b² = c² , name the type of triangle.

• Obtuse angled triangle

• Acute angled triangle

• Right angled triangle

• Equilateral triangle

In a right angled triangle, if sum of the squares of the sides making right angle is 169 then what is the length of the hypotenuse?

• 5

• 12

• 13

• 15

Out of the following, which is the Pythagorean triplet?

• ( 1, 2, 3 )

• (2, 3, 4)

• ( 3, 4, 5 )

• ( 4, 5, 6 )

In , AB = 5, BC = 12, AC = 13, the hypotenuse is ________.

• AB

• BC

• AC

• NONE

∆ABC is a right angled triangle, right angle at B, and AB = 5cm, BC = 10cm, Find AC.

• 12

• 13

• 14

• 15

Which of the listed sides CANNOT be sides of a right triangle?

• 3, 4, 5

• 5, 12, 13

• 7, 24, 25

• 8, 15, 19

• 7

• 31

• 40

• 41

• 8

• 9

• 10

• 11

• 21

• 22

• 23

• 24

Which of the following is a triplet.

• 5, 12, 15

• 7, 24, 26

• 8, 15. 17

• None