BAL BHARATI PUBLIC SCHOOL, GANGA RAM HOSPITAL MARG, N.D-60

Formative Assessment-1 and Summative Assessment-1

2015-16

ASSIGNMENT NO. 1

MATHEMATICS

CLASS VIII

CHAPTER 3 UNDERSTANDING QUADRILATERALS

Q-1 Tick the correct alternative:

i) Number of diagonals, a regular hexagon has a) 4 b) 5 c) 8 d) 9 ii) A regular polygon has 24 sides. The measures of its interior angle is a) 15 b) 30 c) 150 d) 165

iii) Two adjacent sides of a parallelogram are in ratio 2:3. Then these angles

are

a) 72,108 b) 60,120 c) 40,140 d) 65,115

iv) In a quadrilateral TYPE. If TY=TE and YP=PE, then it is

a) Parallelogram b) Kite c) Rectangle d) Square

Q-2 The measure of two adjacent angles of a quadrilateral is 132 and 48. The

other two angles are equal. Find them.

Q-3 The angles of a quadrilateral are in the ratio 2:3:4:6. Find each angle.

Q-4 Two adjacent sides of a parallelogram have lengths 6cm and 4cm. Find the

perimeter of the parallelogram.

Q-5 Find the length of the diagonal of a rectangle whose sides are 12cm and

9cm.

Q-6 Determine the number of sides of a polygon whose exterior and interior

angles are in the ratio 1:5.

Q-7 Two angles of a quadrilateral are of measures 80 each and the other two

angles are equal. What is the measure of each of these two angles?

Q-8 The ratio of two sides of a parallelogram is 3:5 and its perimeter is 96cm.

Find the sides of the parallelogram.

Q-9 The measure of one angle of a parallelogram is 75, what is the measure of

the other angles?

Q-10 Two adjacent sides of a parallelogram are (3x 4) and (3x+ 10). Find the

angles of the parallelogram.

Q-11 Find the number of sides of a regular polygon whose interior angles

measures 140.

Q-12 The sum of two opposite angles of a parallelogram is 230. Find all the

angles of the parallelogram.

Q-13 One angle of a parallelogram is two-third of the other. Find the angles of

the parallelogram.

Q-14 The ratio between an exterior angle and interior angle of a regular

polygon is 1:5, find.

(a) The measure of each exterior angle.

(b) The measure of each interior angle.

(c) The number of sides of the polygon.