RS Aggarwal Vikash Aggarwal Class 3 Activity Book Composite Mathematics Activity Sheet 90 Solution

Activity Sheet – 90

(1) Name all the vertices and sides of the figure shown here.

Vertices – P, Q, R, S, T

Sides – PQ, QR, RS, ST, PT

(2) Name all the vertices and edges of the cuboid shown here.

Vertices – A, B, C, D, E, F, G, H

Sides – AB, BC, CD, DA, EF, FG, GH, HE, AE, DH, BF, CG

(3) Fill in the blanks:

(a) Two lines meet in a point.

(b) The opposite sides of a rectangle are equal.

(c) A point shows a definite position.

(d) A square is a rectangle in which all sides are equal.

(e) A ray extends indefinitely in one direction.

(f) Each face of a cube is a square.

(g) Two solid shapes which have no vertex are cylinder and sphere.

(h) All the faces of a cube are identical.

(i) Two identical cubes  when joined edge form a cuboid.