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7th Mathematics Monthly Test - 1(Measurements)

St. Britto Hr. Sec. School - Madurai

7th Mathematics Monthly Test - 1(Measurements)-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

when the non-parallel sides of a trapezium are equal then it is known as

a square
a rectangle
an isosceles trapezium
a parallelogram

The area of a parallelogram whose base 10 m and height 7 m is

70 sq. m
35 sq. m
7 sq. m
10 sq. m

The area of the rhombus when both diagonals measuring 8 cm is

64 sq. cm
32 sq. cm
30 sq. cm
16 sq. cm

The area of the trapezium, if the parallel sides are measuring 8 cm and 10 cm and the height 5 cm is

45 sq. cm
40 sq. cm
18 sq. cm
50 sq. cm

The area of the rhombus is 128 sq. cm and the length of one diagonal is 32 cm. The length of the other diagonal is

12 cm
8 cm
4 cm
20 cm

The height of the rhombus whose area 96 sq. m and side 24 m is

8 m
10 m
2 m
4 m

The perimeter of a parallelogram whose adjacent sides are 6 cm and 5 cm is

12 cm
10 cm
24 cm
22 cm

The area of the rhombus with side 4 cm and height 3 cm is

7 sq. cm
24 sq. cm
12 sq. cm
10 sq. cm

In a trapezium if the sum of the parallel sides is 10 m and the area is 140 sq. m, then the height is

7cm
40 cm
14 cm
28 cm

The base of the parallelogram with area is 52 sq. cm and height 4 cm is

48 cm
104 cm
13 cm
26 cm

What happens to the area of the parallelogram, if the base is increased 2 times and the height is halved?

Decreases to half
Remains the same
Increases by two times
none

In a parallelogram the base is three times its height. If the height is 8 cm then the area is

64 sq. cm
192 sq. cm
32 sq. cm
72 sq. cm

The angle between the diagonals of a rhombus is

120º
180º
90º
100º

Part - B

Generic 2 - Answer All Question

The area of a rhombus is 100 sq. cm and length of one of its diagonals is 8 cm. Find the length of the other diagonal

Find the height of the parallelogram whose base is four times the height and whose area is 576 sq. cm.

The table top is in the shape of trapezium with measurements given in the fi gure. Find the cost of the glass used to cover the table at the rate of Rs. 6 per 10 sq. cm.

The area of a trapezium is 180 sq. cm and its height is 9 cm. If one of the parallel sides is longer than the other by 6 cm, find the length of the parallel sides.

The area of the parallelogram ABCD is 1470 sq cm.
If AB = 49 cm and AD = 35 cm then, find the heights DF and BE

The area of a trapezium is 1080 sq. cm. If the lengths of its parallel sides are
55.6 cm and 34.4 cm, find the distance between them.

Find the missing values

S.No Height 'h' Parallel side ‘a’ Parallel side ‘b’ Area

(i) 10 m 12 m 20 m

(ii) 13 cm 28 cm 492 sq. cm

(iii) 19 m 16 m 323 sq. m

(iv) 16 cm 15 cm 360 sq. cm

Find the area of a rhombus whose base is 14 cm and height is 9 cm.

If the base and height of a parallelogram are in the ratio 7:3 and the height is 45 cm then, find the area of the parallelogram

Part - C

Generic 3 - Answer All Question

The area of a trapezium is 828 sq. cm. If the lengths of its parallel sides are 19.6 cm and 16.4 cm, find the distance between them.
Find the area and perimeter of the parallelogram given in the figures
.

The collar of a shirt is in the form of isosceles trapezium whose parallel sides are 17 cm and 14 cm and the distance between them is 4 cm. Find the area of canvas that will be used to stitch the collar.

A parallelogram has adjacent sides 12 cm and 9 cm. If the distance between its shorter sides is 8 cm, find the distance between its longer side

Find the height 'h' of the parallelogram whose area and base are 368 sq. cm and
23 cm respectively

The parallel sides of a trapezium are 23 cm and 12 cm. The distance between the parallel sides is 9 cm. Find the area of the trapezium

One of the sides and the corresponding height of the parallelogram are 12 m and 8 m respectively. Find the area of the parallelogram.

Find the area of the trapezium whose height is 14 cm and the parallel sides are 18 cm and 9 cm of length

The area of a trapezium is 352 sq. cm and the distance between its parallel sides is
16 cm. If one of the parallel sides is of length 25 cm then find the length of the other side.

Part - D

Generic 5 - Answer All Question

If the area of the rhombus is 60 sq. cm and one of the diagonals is 8 cm, find the length of the other diagonal.

Calculate the area of the rhombus having diagonals equal to 6 m and 8 m.

The floor of an office building consists of 200 rhombus shaped tiles and each of its length of the diagonals are 40 cm and 25 cm. Find the total cost of polishing the floor at 45 per sq.m.

Find the area of the rhombus whose side is 17 cm and the height is 8 cm.

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