Answer:
50.29 cm
Step-by-step explanation:
Given:
Diameter of each doughnut = 8 cm
To find: circumference of each doughnut
Solution:
Circumference refers to the boundary of a geometric figure.
A doughnut has the shape of a circle.
Let r represents the radius of the circle.
Diameter of each doughnut = 8 cm
Radius of each doughnut (r) = Diameter/2
Circumference of each doughnut
Put
So, circumference =
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Answer:
Step-by-step explanation:
To be able to answer this question properly. I'll assume the length of the room is in meters.
So for the room, we have:
For the bed, we have:
First, we calculate the surface area of the room.
Convert all units to cm
Next, we calculate the area of the bed
The area of the space left is the difference between A1 and A2
Answer:
there are 101 black marbles
Step-by-step explanation:
Following answer: -4x+√2+√5