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ra1l [238]
4 years ago
14

A metal washer is made by cutting out a circle 13.2 mm in diameter from a larger circle. To the nearest tenth, what is the area

of the washer?
547.1 mm2

60.8 mm2

972.6 mm2

243.3 mm2
Mathematics
1 answer:
Lana71 [14]4 years ago
5 0
The area of the washer will be the area of the smaller circle SUBTRACTED from the area of the larger circle.

Area of a circle = pi * r^2 where r is your radius (which is half the diameter).
Larger circle area = pi *(diameter/2) ^2.
Smaller circle area = pi * (13.2/2)^2 = pi * 6.6^2 = 136.8484....

So...the area of the washer = larger circle area - 136.4848...
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110 beats per minute.

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A full crate holds 24 bottles.<br> A farmer has 53 full crates.<br> How many bottles is this?
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A farm increases in value from $800,000 to $1,100,000 over a period of 6 years. Use the formula r=(F/P)^1/n−1 to find the annual
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Answer:

Step-by-step explanation:

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r = (F/P)1/n−1

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6 0
3 years ago
Chocolate cake for 6 people needs 150g of flour, 150g of sugar, 120g of cocoa and 3 eggs. Emma has 8 eggs, 450g flour, 380g suga
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Sugar: 380 ÷150 = 2 
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8 0
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