Advertisements
Advertisements
प्रश्न
The side of a square field is 16 m. What will be increase in its area, if each of its sides is doubled?
Advertisements
उत्तर
Side of a square field (a) = 16 m
∴ Area of a square field = (a)2
= 16 × 16 m2 = 256 m2
Each of its side is doubled
∴ New side = (16 × 2)m = 32 m
∴ New area of the square field = (a)2
= 32 × 32 m2 = 1024 m2
APPEARS IN
संबंधित प्रश्न
In the below fig. OCDE is a rectangle inscribed in a quadrant of a circle of radius 10 cm. If
OE = 2√5, find the area of the rectangle.
ABCD is a parallelogram. E is a point on BA such that BE = 2 EA and F is a point on DC
such that DF = 2 FC. Prove that AE CF is a parallelogram whose area is one third of the
area of parallelogram ABCD.
A triangle and a parallelogram are on the same base and between the same parallels. The ratio of the areas of triangle and parallelogram is
The perimeter of a triangle ABC is 37 cm and the ratio between the lengths of its altitudes be 6: 5: 4. Find the lengths of its sides.
Let the sides be x cm, y cm, and (37 - x - y) cm. Also, let the lengths of altitudes be 6a cm, 5a cm, and 4a cm.
Altogether how many squares can be arranged on it?
Who had the bigger piece? How much bigger?
Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.
- A shopkeeper has 50 boxes. There are 48 fruits in one box.
Tick the one question which matches with the given problem.
Explain why (a) and (c) are not good choices.a) How much will the shopkeeper pay in all? b) How many fruits are there in all? ✓ c) How many more boxes will he need?
The region given in the following figure is measured by taking 
as a unit. What is the area of the region?
Find the area of the following figure by counting squares:
Find the area of the following figure by counting squares:
