What is the area of a quarter circle with a radius of 40 cm?
1 answer:
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Answer:
<h2>384 yd²</h2>Step-by-step explanation:
The formula of a surface area of a cube:
We have <em>a = 8 yd</em>.
Substitute:
Answer:
See below.
Step-by-step explanation:
1)
So we have:
This can be interpreted as:
"There exists a natural number <em>x</em> and an integer <em>y</em> such that x² is equal to y²."
2)
So we want even numbers are in the set of integers.
This is interpreted as:
"The set of even numbers (2n such that n is an integer) is in the set of integers"