A painting of length 36 cm and breadth 22 cm is drawn on a cardboard such that there is a margin of 2.5 cm outside each of its sides. Find the total area of
the margin.

In a triangle PQR right angled at Q, QR = 24 cm and hypotenuse PR = 25
cm. Find the length of PQ.

If ∆ DEF ≅ ∆ MNL, then name the parts of ∆ MNL that are congruent to:

a) Angle F
b) Side DF
c) Angle E
d) Side FE

Raju’s father is 57 years old. He is three years younger than four times
Raju’s age. What is Raju’s age?