START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 5

MEDIUM

8th CBSE

IMPORTANT

Earn 100

The area of an equilateral triangle whose side is $a$ units is:

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Important Questions on Mensuration-I (Plane Figures)

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 1

A square decametre is the standard unit of area.

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 2

Diagonal of rectangle

= \sqrt{(length)^{2} + (breadth)^{2}}

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 3

The distance between the two parallel sides of a trapezium is called the height of the trapezium.

MEDIUM

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 4

If the area of a trapezium is

34 {cm}^{2}

and the length of one of the parallel sides is

10 cm

and its height is

4 cm

, then the length of the other parallel side is

9 cm

.

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 1

_____ of a simple closed figure is the sum of all the sides.

MEDIUM

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 2

Area of an equilateral triangle

=

____________

(side)^{2}

.

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 3

Each of the two parallel sides of a trapezium is called the _______ of the trapezium.

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 17 - Mensuration-I (Plane Figures)>REVIEW EXERCISES>Q 4

The area of a trapezium whose bases are

8 m

and

5 m

and altitude is

2 m

is equal to _____

m^{2}

.