Use the number line. What fraction of 1 foot is 3 inches? What fraction of 1 yard is 3 inches?
2 answers:
Answer:
3 inches is of a foot
3 inches is of a yard
Step-by-step explanation:
As shown on the number line, we know that 1 foot is equal to 12 inches. To find what fraction of a foot 3 inches is, we have to compare 3 inches to 12 inches.
Think: What do I have to multiply 12 by to get 3? If that's too difficult, think: what do I have to multiply 3 by to get 12?
You have to multiply 3 by 4 to get 12, so you have to multiply 12 by to get 3
A yard is 3 feet, and a foot is 12 inches. This means that a yard is 36 inches.
Do the same as above, and you will get as your answer.
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The length of the smaller leg is 3.79
<h3>How to determine the length of the smaller leg?</h3>Represent the smaller leg with x.
So, we have:
-- Pythagoras theorem
This gives
2x^2 = 144/5
Divide by 2
x^2 = 72/5
This gives
x^2 = 14.4
Take the square root
x = 3.79
Hence, the length of the smaller leg is 3.79
Read more about right triangles at
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Answer:
∠B ≈ 56.25°
Step-by-step explanation:
Since the triangle is right use the cosine ratio to solve for B
cosB = =
=
, thus
B = (
) ≈ 56.25°