Practice30Create account

A wire is bent to form a right triangle whose legs are 20 cm and 21 cm.
The total length of wire used (the perimeter) is:

Class 10Pythagoras TheoremGeometry — Similarity
  • A70 cm
  • B61 cm
  • C65 cm
  • D71 cm

Step-by-Step Solution

Hypotenuse = cm. Perimeter = 20 + 21 + 29 = 70 cm.
Answer: A) 70 cm

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Pythagoras Theorem practice questions

More Class 10 Pythagoras Theorem practice

The three sides of a triangle measure 11 cm, 60 cm and 61 cm. Without drawing, decide…A 17 m long ladder reaches a window 15 m above the ground on one side of a street.…The perimeter of a right triangle is 24 cm and its hypotenuse is 10 cm. Find the area of…In a right triangle, the legs are in the ratio 5 : 12 and the hypotenuse is 26 cm. Find…The Pythagoras Theorem states that in a right triangle the square on the hypotenuse…