8th Mathematics Monthly Test - 2 ( Measurements )

St. Britto Hr. Sec. School - Madurai

8th Mathematics Monthly Test - 2 ( Measurements )-Aug 2020

Time : 2.00 Hours

Part - A

Generic 5 - Answer All Question

PQRS is a diameter of a circle of radius 6 cm. The lengths PQ, QR and RS are equal semi-circles drawn on PQ and QS as diameters. Find the perimeter and area of the shaded region

Find the area of the shaded region.

In the figure AOBCA represents a quadrant of a circle of radius 3.5cm D with center 'O' calculate the area of the shaded portion \(\left( \pi =\frac { 22 }{ 7 } \right) \)

Find the area of the shaded part.

Find the perimeter of sector whose area is 324 sq. em and radius is 27 cm.

The area of the equilateral triangle is 49 \(\sqrt { 3 } \)cm². Taking each angular point as centre a circle is described with radius equal to half the length of the side of the triangle. Find the area of the triangle not included in the circle (\(\sqrt { 3 } \) = 1.73 and π = \(\frac { 22 }{ 7 } \))

An athletic track 14m wide consists of two straight sections 120m long joining semicircular ends whose inner radius is 35 m. Calculate the area of the shaded region.

Find the area of the figure.

Find the area of the shaded region in the figure.

(a) Dice are cubes where the numbers on the opposite faces must total 7. Is the following a die.

(b) The following shows a net with areas of faces. What can be the shape?

An arc of a circle is of length 5π cm and the sector it bounds has an area of 20π cm² Find the radius of the circle.

A sector is cut from a circle of radius 21 cm. The angle of the sector is 150°. Find the length of its arc and area of the sector,

Find the area of the sector of circle with radius 4 cm and of angle 30°. Also find the area corresponding to major sector (π = 3.14)

Find the area of the shaded portion.

Find the area enclosed.

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8th Mathematics Monthly Test - 2 ( Measurements )

St. Britto Hr. Sec. School - Madurai

8th Mathematics Monthly Test - 2 ( Measurements )-Aug 2020

Part - A

Generic 5 - Answer All Question

PQRS is a diameter of a circle of radius 6 cm. The lengths PQ, QR and RS are equal semi-circles drawn on PQ and QS as diameters. Find the perimeter and area of the shaded region

Find the area of the shaded region.

In the figure AOBCA represents a quadrant of a circle of radius 3.5cm D with center 'O' calculate the area of the shaded portion \(\left( \pi =\frac { 22 }{ 7 } \right) \)

Find the area of the shaded part.

Find the perimeter of sector whose area is 324 sq. em and radius is 27 cm.

An athletic track 14m wide consists of two straight sections 120m long joining semicircular ends whose inner radius is 35 m. Calculate the area of the shaded region.

Find the area of the figure.

Find the area of the shaded region in the figure.

(a) Dice are cubes where the numbers on the opposite faces must total 7. Is the following a die. (b) The following shows a net with areas of faces. What can be the shape?

An arc of a circle is of length 5π cm and the sector it bounds has an area of 20π cm2 Find the radius of the circle.

A sector is cut from a circle of radius 21 cm. The angle of the sector is 150°. Find the length of its arc and area of the sector,

Find the area of the sector of circle with radius 4 cm and of angle 30°. Also find the area corresponding to major sector (π = 3.14)

Find the area of the shaded portion.

Find the area enclosed.

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(a) Dice are cubes where the numbers on the opposite faces must total 7. Is the following a die.

(b) The following shows a net with areas of faces. What can be the shape?

An arc of a circle is of length 5π cm and the sector it bounds has an area of 20π cm² Find the radius of the circle.