+91-87964 74404
FlagBACK
Question icon
Grade 128 grade maths

A lawnmower takes 750 complete revolutions to cut grass on a field. Calculate the area of the field if the diameter of the lawnmower is 84 cm and length is 1 m.

Profile image of Pawan Prajapati
5 Years agoGrade 12
Answers icon

2 Answers

Profile image of Harshit Singh
5 Years ago
Dear Student

length of lawnmower = 1m = 100cm

Its circumference = π × D = 22/7 × 84 = 264 cm

Length of field will be = 264 × 750 = 198000 cm

Here, the width of field = length of the lawnmower i.e. 100 cm

So, area of field = 198000 × 100 = 19,800,000 cm²

= 1980 m²

Thanks
Profile image of Daya kaur
4 Years ago
The area of a square ground is 64084 sq.m. it is fenced at the rate of ₹40 per m and ploughed at the rate of ₹20per sq.m find the total coast
 

Other Related Questions on 8 grade maths

question mark

WHAT ARE THE FORMULAS FOR FINDING THE INITAL SPEED

8 grade maths
1 Answer Available

Last Activity: 9 Months ago

question mark

What is the formula of \[{x^2} + {y^2} + {z^2}?\

8 grade maths
1 Answer Available

Last Activity: 0 Years ago

question mark

What is a dodging number?

8 grade maths
1 Answer Available

Last Activity: 0 Years ago

question mark

What is the value of $ 5 $ million dollars in Indian rupees given that one dollar is equal to $ 75 $ Indian rupees.

8 grade maths
1 Answer Available

Last Activity: 0 Years ago

question mark

How many perfect cubes can you find from 1 to 100? How many from -100 to 100?

8 grade maths
1 Answer Available

Last Activity: 0 Years ago