R d sharma solutions mathematics class 9 Solutions for Chapter 15 areas of parallelograms and triangles

Exercises in Chapter 15 areas of parallelograms and triangles Grade 9

Areas Of Parallelograms And Triangles Exercise 15.1

Areas Of Parallelograms And Triangles Exercise 15.3

Questions in Areas Of Parallelograms And Triangles Exercise 15.1

Which of the following figures lie on the same base and between the same parallel. In such a case, write the common base and two parallels:

Questions in Areas Of Parallelograms And Triangles Exercise 15.3

In figure, compute the area of quadrilateral ABCD.

In figure, PQRS is a square and T and U are, respectively, the mid-points of PS and QR . Find the area of ΔOTS if PQ = 8 cm.

Compute the area of trapezium PQRS in figure.

In figure, ∠AOB = $90^0$ , AC = BC, OA = 12 cm and OC = 6.5 cm. Find the area of ΔAOB

In figure, ABCD is a trapezium in which AB || DC. Prove that ar(ΔAOD) = ar(ΔBOC)

In figure, ABCD, ABFE and CDEF are parallelograms. Prove that ar(ΔADE) = ar(ΔBCF).

Diagonals AC and BD of a quadrilateral ABCD intersect each other at P. Show that: ar(ΔAPB) x ar(ΔCPD) = ar(ΔAPD) x ar(ΔBPC).

In figure, ABC and ABD are two triangles on the base AB. If line segment CD is bisected by AB at O, show that ar(ΔABC) = ar(ΔABD).

Was This helpful?

Chapters in this book