A triangle has a side length of 3/4 inch and a side length of 3 inches. What could be the length, in inches, of the third side?

1 answer:

6 0

To solve this problem you must apply the proccedure shown below:

1- If the triangle is a rigth triangle, you must apply the Pythagorean Theorem. Taking the length 3 inches as the hypotenuse, which is the longest side of the triangle, you have:

a^2=b^2+c^2
c=√(a^2-b^2)

b=3/4 inches
a=3 inches

2- When you susbtitute the values, you obtain:

c=√(3 inches)^2-(3/4 inches)^2
c=2.90 inches

The answer is: 2.90 inches.

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A=4ℼR2 solve for R<br> SHOW ALL STEPSSSSSSSSSSSSS

GuDViN [60]

Given problem;

A = 4 π R²

To solve for R, we have to make it the subject of the expression.

Since

A = 4 π R² , follow these steps to find R;

Multiply both sides by $\frac{1}{4\pi }$

A x $\frac{1}{4\pi }$ = $\frac{1}{4\pi }$ x 4 π R²

$\frac{A}{4\pi }$ = R²

Then find the square root of both sides

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R = $\sqrt{\frac{A}{4\pi } }$

The solution is $\sqrt{\frac{A}{4\pi } }$

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2 years ago

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11Alexandr11 [23.1K]

Answer:
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Step-by-step explanation:
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2 years ago

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GuDViN [60]

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Bumek [7]

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