Perimeter and Area
- A marble tile measures 20cm by 15cm. how many tiles will be required to cover a
2.. One side of a square field is 92m. find the cost
of raising a lawn on the field at the rate of $1.5 per sq.m
3.
The area of 4 walls of a hall is 266sq.m. The
length and breadth of the hall are 12m and 7m respectively. Find the height of
the wall.
4.
A sheet of paper measures 50cm by 30cm. A strip
6cm wide is cut from all around. Find the area of the remaining sheet and also
the area of the strip cut out.
5.
A room 12.5m long and 10.5m wide is surrounded
by a verandah 2m wide all round it. Find the area occupied by verandah.
6.
A rectangular lawn measuring 50m by 36m is
surrounded externally by a path which is 2m wide. Find the area of the path.
Also, find the cost of leveling the path at $3.25 per m2.
7.
Find the area of parallelogram with base 9.5cm
and height 5.6cm
8.
If the side of a rhombus is 8.5m and its
altitude is 5m, find its area.
9.
The area of rhombus is 63sq.m. If its perimeter
is 28m, find its altitude.
10.
A field in the form of a parallelogram has a
base 32m and altitude 1.75m. Find the cost of watering the field at $8 per sq.m
11.
Find the area of triangle whose base is 15cm and
altitude is 12.6cm
12.
The area of triangle is 126sq.cm and its base is
18cm. Find its altitude
13.
Find the area of the following
triangles
14.
A race track in the form of a ring whose inner
circumference is 264m and the outer circumference is 308m. Find the width of
the track
15. The
circumference of a circle is 62.8m. Find the radius of the circle.
16. The
circumference of a circle is 616m, find its radius and area
17. Area
of a circle is 2826sq.cm, find its radius
18. Area
of a circle is 75.46sq.m. Find its diameter.
19. Find
the cost of polishing the top of a circular table of diameter 4.2m, if the rate
of polishing is $12 per sq.m.
20. From
a circular card sheet of radius 28cm, two circle of radii 7cm and a rectangle
of length 3 cm and breadth 2 cm are removed. Find the area of remaining sheet.
21.
Find the perimeter of the adjoining
figure which is semi-circle including its diameter.
Find the perimeter of the adjoining
figure which is semi-circle including its diameter.
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