Area Class 8 Fill in the blanks

Area Class 8 Fill in the blanks

Area Class 8 Fill in the blanks

Question 1.

Perimeter of a regular polygon = Length of one side × __________ .

Answer:

Number of sides

Question 2.

If a wire in the shape of a square is rebent into a rectangle, then the ___________ of both shapes remain same, but ______ may vary.

Answer:

perimeter, area

Question 3.

To find area, any side of a parallelogram can be chosen as ________ of the parallelogram.

Answer:

base

Question 4.

If the diagonals of a rhombus are doubled, then its area becomes _________

Answer:

four times

Question 5.

Area of a parallelogram of base 8 cm and height 3 cm is ___________ .

Answer:

24 sq. cm.

Area Class 8 True or False

Question 1.

If perimeters of two parallelograms are equal, then their areas are also equal.

Answer:

False

Question 2.

Area of triangle with base 18 cm and height 5 cm is 90 sq. cm.

Answer:

False

Question 3.

Area of parallelogram of base 7 cm and height 4 cm is 28 sq. cm.

Answer:

True

Question 4.

Area of the rhombus of having diagonals of lengths 16 cm and 14 cm is 112 sq. cm.

Answer:

True

Question 5.

Area a trapezium becomes 4 times, if height is doubled.

Answer:

False

Area Class 8 Match the Following

Match the Column I with Column II.

Column I	Column II
(i) Area of rectangle	(a) [latex]\frac{1}{2}[/latex] b × h
(ii) Area of triangle	(b) b × h
(iii) Area of square	(c) a × b
(iv) Area of parallelogram	(d) [latex]\frac{1}{2}[/latex](a + b) × h
(v) Area of trapezium	(e) a × a

Answer:

(i) - (c)

(ii) - (a)

(iii) - (e)

(iv) - (b)

(v) - (d)