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Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Area of 2D-shapes

Grade: 1300-a Lesson: S3-L5

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	The area of a rectangle is 800. The base is twice as long as the height. Find the length of a diagonal of the rectangle.	A) \$10\sqrt20\$ B) \$10\sqrt5\$ C) \$20\sqrt5\$ D) \$11\sqrt10\$
2	In a rhombus, each side is 16 units long and one of its interior angles is 60 degree. Find the area of the rhombus.	A)\$128\$ B) \$\sqrt3/2\$ C) \$128\sqrt3\$ D) \$16\sqrt3\$
3	How many small rectangles of length 30cm and width 10cm are needed to make a square of area \$1200cm^2\$?	A) 6 B) 7 C) 8 D) 4
4	Find the area of a square whose perimeter is \$20\sqrt3\$cm.	A) \$75cm^2\$ B) \$80cm^2\$ C) 75 D) \$75 cm^3\$
5	The area of a trapezium is 18 sq. cm. Its length and base are 7 cm and 5 cm, respectively. Find the height of trapezium.	A) 3 B) 4 C) 5 D) 13
6	Find the height of the rectangle where the areas of the rectangle and trapezium are equal. $6$	A) 27 cm B) 28 cm C) 30 cm D) 25 cm
7	Find the area of the given shape. $7$	A) \$356.48 cm^2\$ B) \$356.47 cm^2\$ C) \$356.48 cm\$ D) \$356.58 cm^2\$
8	Find the area of a regular hexagon of side 8 cm.	A)\$96\sqrt2 cm^2\$ B) \$96\sqrt3 cm^2\$ C) \$94\sqrt3 cm^2\$ D) \$96\sqrt3 cm\$
9	Find the length of each side of a regular octagonal area whose area is 1086.3 sq.meters?(\$\sqrt2 = 1.414\$)	A) 17 B) 14 C) 15 D) 25
10	Find the area of a regular pentagon whose side length is 10 cm.	A)173 sq.cm B) 147 sq.cm C) 117 sq.cm D) 172 sq.cm

Problem Id

Problem

Options

The area of a rectangle is 800. The base is twice as long as the height. Find the length of a diagonal of the rectangle.

A) \$10\sqrt20\$

B) \$10\sqrt5\$

C) \$20\sqrt5\$

D) \$11\sqrt10\$

In a rhombus, each side is 16 units long and one of its interior angles is 60 degree. Find the area of the rhombus.

A)\$128\$

B) \$\sqrt3/2\$

C) \$128\sqrt3\$

D) \$16\sqrt3\$

How many small rectangles of length 30cm and width 10cm are needed to make a square of area \$1200cm^2\$?

A) 6

B) 7

C) 8

D) 4

Find the area of a square whose perimeter is \$20\sqrt3\$cm.

A) \$75cm^2\$

B) \$80cm^2\$

C) 75

D) \$75 cm^3\$

The area of a trapezium is 18 sq. cm. Its length and base are 7 cm and 5 cm, respectively. Find the height of trapezium.

A) 3

B) 4

C) 5

D) 13

Find the height of the rectangle where the areas of the rectangle and trapezium are equal.

$6$

A) 27 cm

B) 28 cm

C) 30 cm

D) 25 cm

Find the area of the given shape.

$7$

A) \$356.48 cm^2\$

B) \$356.47 cm^2\$

C) \$356.48 cm\$

D) \$356.58 cm^2\$

Find the area of a regular hexagon of side 8 cm.

A)\$96\sqrt2 cm^2\$

B) \$96\sqrt3 cm^2\$

C) \$94\sqrt3 cm^2\$

D) \$96\sqrt3 cm\$

Find the length of each side of a regular octagonal area whose area is 1086.3 sq.meters?(\$\sqrt2 = 1.414\$)

A) 17

B) 14

C) 15

D) 25

Find the area of a regular pentagon whose side length is 10 cm.

A)173 sq.cm

B) 147 sq.cm

C) 117 sq.cm

D) 172 sq.cm