Advertisements
Advertisements
Question
A rectangular field is 48 m long and 12 m wide. How many right triangular flower beds can be laid in this field, if sides including the right angle measure 2 m and 4 m, respectively?
Solution
Given, dimenstions of a rectangular field = 48 m × 12 m
and dimensions of a right angled triangle = 2 m × 4 m
∴ Number of right triangular flower beds = `"Area of filed"/"Area of right angled triangle"`
= `(48 xx 12)/(1/2 xx 2 xx 4)` ......`[(∵ "Area of rectangle" = "Length" xx "Breadth and area"),("of a right angled triangle" = 1/2 xx "Height" xx "Breadth")]`
= 144
APPEARS IN
RELATED QUESTIONS
If the side of a square is tripled, how many times the perimeter of the first square will that of the new square be?
The area of a rectangle is 102 sqcm. If its length is 17 cm, what is its perimeter?
If the side of a square is tripled, how many times will its area be as compared to the area of the original square?
Find the area of the following rectangle
length = 7 m and breadth = 4 m
Is this shape half of the big rectangle?
Hmmm...... So its area is ______ square cm.
People of Khejadli village take good care of plants, trees and animals. They say that plants and animals can survive without us, but we can not survive without them. Inspired by her elders Amrita marked some land for her pets (camel and ox) and plants. Find the ratio of the areas kept for animals and plants to the living area.
Priyanka took a wire and bent it to form a circle of radius 14 cm. Then she bent it into a rectangle with one side 24 cm long. What is the length of the wire? Which figure encloses more area, the circle or the rectangle?
A school playground is divided by a 2 m wide path which is parallel to the width of the playground, and a 3 m wide path which is parallel to the length of the ground in the given figure. If the length and width of the playground are 120 m and 80 m respectively, find the area of the remaining playground.
Ramesh grew wheat in a rectangular field that measured 32 metres long and 26 metres wide. This year he increased the area for wheat by increasing the length but not the width. He increased the area of the wheat field by 650 square metres. What is the length of the expanded wheat field?
4 squares each of side 10 cm have been cut from each corner of a rectangular sheet of paper of size 100 cm × 80 cm. From the remaining piece of paper, an isosceles right triangle is removed whose equal sides are each of 10 cm length. Find the area of the remaining part of the paper.
