Challenger App

No.1 PSC Learning App

1M+ Downloads
If perimeter of a triangle is 100 cm and the length of two sides are 30 cm and 40 cm, the length of third side will be:

A70 cm

B30 cm

C60 cm

D50 cm

Answer:

B. 30 cm

Read Explanation:

Perimeter of triangle = sum of all its sides P = 30+40+x 100=70+x x=30 cm


Related Questions:

In triangle ABC AB-3 centimeters and <C 30°. What is the diameter of its circumcircle ?

WhatsApp Image 2024-11-29 at 19.25.03.jpeg
The sum of the length, width and depth of a cuboid is 8 cm and its diagonal is 5 cm. What is its surface area?
The length of a rectangle is halved, and its breadth is tripled. What is the percentage change in its area?
Find the coordinates of point C(x,y) where it divides the line segment joining (4,-1) and(4,3) in the ratio 3:1 internally ?
Find the length of the side of an equilateral triangle, if its area is 4√3 sq. unit.