Mensuration (2D)

high importance~2 Q in Tier 123 formulas⚡ 12 shortcuts5 subtopics

Exam-level questions worked step by step. Try each one yourself first — then expand the solution and compare routes.

Q1.

The perimeter of a rectangle is 50 cm and its length is 5 cm more than its breadth. Find its area.

Q2.

Find the perimeter (in cm) of a sector of a circle of radius 7 cm with central angle $90^\circ$ . [Use $\pi=\frac{22}{7}$ ]

Q3.

A rectangular park is 60 m long and 40 m wide. A path 3 m wide is built all around it on the outside. Find the area of the path.

Q4.

If each side of an equilateral triangle is increased by 10%, then the percentage increase in its area is: