The wheel of a child bicycle has a radius of 7cm.use pi as 22/7
a.what would be the circumference of one wheel?
B.state the total circumference of both wheel
Plzz show working as a grade 7
Answers
Answer:
( a ) The circumference of one wheel = 44 cm
( b ) The total circumference of both wheel = 88cm
Step-by-step explanation:
The radius ( r ) of child's bicycle's wheel = 7cm
( a ) The circumference of one wheel = ?
The Wheel is in the shape of circle .
Here,
The formula used to find the circumference of wheel is the formula of circumference of circle.
We know that ,
The circumference of the circle = 2 X pi X r
Pi = 22/ 7
The circumference of the circle = 2 X 22/7 X 7
44 cm
Hence,
The circumference of the circle = 44cm .
Therefore ,
The circumference of one wheel = 44 cm.
( b ) The circumference of both wheel = ?
The circumference of one wheel = 44 cm
The circumference of both wheel = 2 X 44 cm
= 88 cm
Therefore,
The total circumference of both wheel = 88 cm
Answer:
( a ) The circumference of one wheel = 44 cm
( b ) The total circumference of both wheel = 88cm
Step-by-step explanation:
The radius ( r ) of child's bicycle's wheel = 7cm
( a ) The circumference of one wheel = ?
The Wheel is in the shape of circle .
Here,
The formula used to find the circumference of wheel is the formula of circumference of circle.
We know that ,
The circumference of the circle = 2 X pi X r
Pi = 22/ 7
The circumference of the circle = 2 X 22/7 X 7
44 cm
Hence,
The circumference of the circle = 44cm .
Therefore ,
The circumference of one wheel = 44 cm.
( b ) The circumference of both wheel = ?
The circumference of one wheel = 44 cm
The circumference of both wheel = 2 X 44 cm
= 88 cm
Therefore,
The total circumference of both wheel = 88 cm
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