how many tiles like the triangle given here will fit in the white design
Answers
Answer:
We know that,
Area of a rectangle = Length Breadth
Area of the floor of kitchen = (Length Breadth)
= (220 180) square cm.
Also, we know that
Area of a square = Side Side
Area of one tile = (10 10) square cm
Number of tiles required
=
=
= 22 18 = 396
(b) The fencing of a square garden is 20 m in length. How long is one side of the garden?
Ans. (b) We have, Perimeter = 20 m
Side = Perimeter
Side = = 5m
(c) A thin wire 20 centimetres long is formed into a rectangle. If the width of this rectangle is 4 centimetres, what is its length?
Ans. (c) We have, Perimeter = 20 cm and Breadth = 4cm
Length = Perimeter – Breadth
Length = 20 cm – 4cm = 6 cm
= 10 cm – 4 cm = 6 cm
(d) A square carom board has a perimeter of 320 cm. How much is its area?
Ans. (d) We have, Perimeter = 320 cm
Side = Perimeter
Side = 320 cm = 80 cm
Step-by-step explanation: