A diagonal of a parallelogram divides the parallelogram into two triangles of equal areas.
True
False
The perimeter of a regular hexagon is 6k, where k is the length of its side.
True
False
Two rectangles having equal areas also have equal perimeters.
True
False
Two parallelograms on the same base and having equal perimeters have equal areas.
True
False
Among all the shapes having equal perimeters, a circle has the maximum area.
True
False
If the perimeter of a figure increases, then its area also increases.
True
False
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, one of whose lengths is along the boundary wall of his house. What is the required length of the fence?
34 m
38 m
48 m
140 m
If the base of a triangle is halved and its height is doubled, what can we say about the area of the resulting triangle?
It will increase.
It will decrease.
It will double.
It will remain the same.
What is the perimeter of a sector of a circle of radius 4 cm and formed by an arc of measure 11 cm?
15 cm
19 cm
30 cm
44 cm
What is the area of a circular track whose outer and inner radii are 5 m and 4 m?
41$$\pi$$ m2
25$$\pi$$ m2
16$$\pi$$ m2
9$$\pi$$ m2
What is the length of the side of square whose area is 12.96 cm2?
2.6 cm
26 cm
36 cm
3.6 cm
What is the length of a rectangle whose perimeter is 48 cm and breadth is 9 cm?
15 cm
18 cm
24 cm
39 cm
Click the correct answer.
The area of a square of side 4 cm is
.
16 cm2
15 cm2
18 cm2
If one side of a parallelogram having perimeter 42 cm is 12 cm, the measure of its adjacent side is
.
9 cm
12 cm
15 cm
The unit of measurement of the area is
.
square unit
cubic unit
unit
If a circle touches all the sides of a square, then the circle is said to be
the square.
inscribed in
circumscribing
overlapping
Circumference of a circle is
times its diameter.
$$\pi$$
$$2\pi$$
$$5\pi$$
is the length of the boundary of a closed plane figure.
Perimeter
Area
Side
The length of the boundary of a circle is called
.
