Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.CR: Review Exercises
Problem 40CR: Sue and Daves semicircular driveway is to be resealed, and then flowers are to be planted on either...
Related questions
Question
![4 Find the area of a square whose side is
(a) 4.2 cm
(b) 11 mm
5. The length of a rectangular tile is 24 cm and its breadth is 40 mm, Find its area in s mm.
Find the arca of a rectangle whose length is 116 m and breadth is one-fourth of the length.
A The length of the side of a square cloth is 48 cm. Find the perimeter and area of the cloth.
N The length and breadth of a rectangle are 6 m and 120 cm respectively. Find its area in sq. m.
9. The area of a rectangular mat is 5.6 so m. irthe length of the mat is 3.5 mn, find its breadth.
10. The distance covered by a boy in going five times around the square shaped park is 1020 m.
What is the area of the park?
A rectangle has length 50 cm and breadth 45 cm. A square has its side 48 cm. Which has more
area and by how much?
12. The floor of a rectangular room measures 16 m by 11 m. The floor has to be tiled with
tiles of length 40 cm. Find the number of tiles required.
square
13. The perimeter of a square field is 176 m. Find the area of the field. Also, find the cost of laying
grass on it at 5.50 per square metre.
14. How many cards can be made out of a sheet of paper measuring 324 cm x 144 cm, if each
card requires a piece of paper of size 16 cm x 12 cm?
15. How many tiles are required to cover a floor 4 m x 3.2 m if each tile measures 16 cm x 16 cm?
6. A field measures 350 m by 200 m. Find the cost of ploughing the field at the rate ol
1185 per hectare. [Hint: 1hectare 10.000 sq. m]
Mental Maths Corner
ick ( the correct answer:
1. A table top is covered with 24 squares of equal size. If the side of the square is 3 cm. The area
of the table top is
(a) 72 sq. cm
O (b) 72 cm
1 () 216 cm
(d) 216 sq. cm O
2 1 sq. cm =
* S. mm
(e) 100
O (d) 1
(a) 10
(b) 1000
E. A square of side 4 cm is cut into two rectangles of same size. The area of each rectangle is
(a) 4 sq. cm
(b) 8 sq. cm
O (c) 16 sq. cm (d) 2 sq. cm
The area of a rectangle is 540 sq. cn. If the length of the rectangle is 36 cm, its breadth is
(a) 20 cm
(b) 18 cm
(c) 15 cm
(d) 9 cm
A rectangle is cut into two squares of same size. If the perimeter of the square is 4 cm. t
perimeter of the rectangle is
(a) 6 cm
I (b) 4 cm
(c) 8 cm
(d) 16 cm
MATHEMATIC](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffadb7d8c-f0f2-4837-98bc-d7fe6f527730%2F8e8e3bfa-4af2-4b07-9292-1b27d1376942%2Fahhbjbf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4 Find the area of a square whose side is
(a) 4.2 cm
(b) 11 mm
5. The length of a rectangular tile is 24 cm and its breadth is 40 mm, Find its area in s mm.
Find the arca of a rectangle whose length is 116 m and breadth is one-fourth of the length.
A The length of the side of a square cloth is 48 cm. Find the perimeter and area of the cloth.
N The length and breadth of a rectangle are 6 m and 120 cm respectively. Find its area in sq. m.
9. The area of a rectangular mat is 5.6 so m. irthe length of the mat is 3.5 mn, find its breadth.
10. The distance covered by a boy in going five times around the square shaped park is 1020 m.
What is the area of the park?
A rectangle has length 50 cm and breadth 45 cm. A square has its side 48 cm. Which has more
area and by how much?
12. The floor of a rectangular room measures 16 m by 11 m. The floor has to be tiled with
tiles of length 40 cm. Find the number of tiles required.
square
13. The perimeter of a square field is 176 m. Find the area of the field. Also, find the cost of laying
grass on it at 5.50 per square metre.
14. How many cards can be made out of a sheet of paper measuring 324 cm x 144 cm, if each
card requires a piece of paper of size 16 cm x 12 cm?
15. How many tiles are required to cover a floor 4 m x 3.2 m if each tile measures 16 cm x 16 cm?
6. A field measures 350 m by 200 m. Find the cost of ploughing the field at the rate ol
1185 per hectare. [Hint: 1hectare 10.000 sq. m]
Mental Maths Corner
ick ( the correct answer:
1. A table top is covered with 24 squares of equal size. If the side of the square is 3 cm. The area
of the table top is
(a) 72 sq. cm
O (b) 72 cm
1 () 216 cm
(d) 216 sq. cm O
2 1 sq. cm =
* S. mm
(e) 100
O (d) 1
(a) 10
(b) 1000
E. A square of side 4 cm is cut into two rectangles of same size. The area of each rectangle is
(a) 4 sq. cm
(b) 8 sq. cm
O (c) 16 sq. cm (d) 2 sq. cm
The area of a rectangle is 540 sq. cn. If the length of the rectangle is 36 cm, its breadth is
(a) 20 cm
(b) 18 cm
(c) 15 cm
(d) 9 cm
A rectangle is cut into two squares of same size. If the perimeter of the square is 4 cm. t
perimeter of the rectangle is
(a) 6 cm
I (b) 4 cm
(c) 8 cm
(d) 16 cm
MATHEMATIC
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