A diagonal divides a parallelogram into two triangles of equal areas.
True
False
The perimeter of a regular hexagon is 6m, where m is the length of its side.
True
False
The area of a rhombus is the product of any one side and the corresponding altitude.
True
False
Two rectangles having equal areas should also have equal perimeters.
True
False
Two parallelograms on the same base and having equal perimeters have equal areas.
True
False
For a given value of perimeter, a circle has the maximum area.
True
False
If the perimeter of a figure increases, then its area also increases.
True
False
The area of a parallelogram can also be obtained by the product of its two adjacent sides.
True
False
The perimeter of a semicircle of radius r is (2 + $$\pi$$)r.
True
False
The exact value of $$\pi$$ is $$\frac{22}{7}$$ or 3.14.
True
False
Click the correct answer.
A farmer wants to fence his rectangular field measuring 14 m by 10 m. If one of the lengths of field is along the boundary wall of his house, what is the required length of the fence?
34 m
38 m
48 m
140 m
The base of a triangle is halved and its height is doubled. Which of the following is true about its area?
It increases
It decreases
It doubles
It remains the same
What is the perimeter of a sector of a circle of radius 4 cm that is formed by an arc of measure 11 cm?
15 cm
19 cm
30 cm
44 cm
A semicircle is cut off along the length of a rectangular paper of dimension 21 cm by 15 cm. What is the area of the remaining part of the paper? (Take $$\pi$$ = $$\frac{22}{7}$$)
173.25 cm2
163.25 cm2
141.75 cm2
315 cm2
What is the perimeter of the shaded region of the given figure?
34 cm
68 cm
84 cm
128 cm
The given figure is made up of two rectangular strips each of dimension 50 cm by 10 cm. If the figure is to be painted on both sides, how much surface area is to be painted?
900 cm2
1,000 cm2
1,800 cm2
500 cm2
A farmer wishes to cultivate four different crops in equal areas in his 1 are of land. How much area of land should he allocate for each crop?
10 m2
25 m2
75 m2
100 m2
What is the area of a circular track whose outer and inner radii are 5 cm and 4 cm?
41$$\pi$$ m2
25$$\pi$$ m2
16$$\pi$$ m2
9$$\pi$$ m2
What is the perimeter of the given figure?
256 cm
128 cm
84 cm
44 cm
What is the area of the shaded portion of the given figure?
25 cm2
15 cm2
14 cm2
10 cm2
Click the correct answer.
The area of a square of side 4 cm is
.
16 cm2
8 cm2
14 cm2
If one side of a parallelogram whose perimeter is 42 cm is 12 cm, the measure of its adjacent side is
.
6 cm
9 cm
3 cm
The unit of measurement of the area is
.
units
cubic units
square units
If a circle touches all the sides of a square, then its area is
the area of the square.