Question

EXERCISE 130
100 m
1.
80 m
120 m
E
F 60 m
90 m
The perimeter of the figure shown here is 495 m.
Find the missing length.
2. Tanisk walks around a square-shaped park twice and
covers 800 m. What is the area of this park?
3. The area of the rectangular field is 1600 sq. m. If the length of the field is 80 m, find
the perimeter of the field.
41 Find the cost of dyeing a square piece of cloth at the rate of 5 per sq. m if the
length 150 cm and breadth 60 cm?
Which of the following has greater area—a square of side 95 cm or a rectangle a
of the perimeter of a square is 220 cm, then what is the length of each side?
7. Find the breadth of the rectangular plot of land whose area is 660 m’and whe
length is 33 m. Find its perimeter.
length of one side is 30 m.​

Answer 1

Answer:

Subtracting a fraction from a whole

Rewrite the whole as a fraction using t2 as the denominator :

t t • t2

t = — = ——————

1 t2

Equivalent fraction : The fraction thus generated 1q different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator