Two sides of an isosceles triangle measure 3 inches and 13 inches respectively. Find the length of the third side.

1 answer:

7 0

I think that the third side would be 13 inches. My reasons are : 1) An isosceles triangle's two sides that point upward are usually longer than the last side on the bottom. 2) Unless it is a scalene triangle, either two sides or all sides are equal.

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Please Help! image below

sweet-ann [11.9K]

Answer:

A = 81π cm²

Step-by-step explanation:

The area (A) of the cross section is calculated as

A = πr² ( r is the radius )

Find r by using the given circumference.

Given the circumference is 18π and circumference (C) is

C = 2πr = 18π ( divide both sides by 2π )

r = 9, thus

A = π × 9² = 81π cm²

6 0

4 years ago

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Ludmilka [50]

Answer: 39.4784

Step-by-step explanation:

The equation for area of a circle is (3.14)r^2.

Just plug in the given radius (4) into the equation and solve.

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3 years ago

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Alexeev081 [22]

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3 years ago

Evaluate N^2 + 2N 1 for N=5

Murljashka [212]

Answer:

Step-by-step explanation:

write 5 in N's place

5^2+2×5×1

25+10

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3 years ago

Eighty percent of seniors at the local high school graduate each year. If there are 750 seniors this year, how many will graduat

yulyashka [42]

What you need to find is 80% of 750

There are many ways to figure that out but the way that I did it is to divide 750 by 100. The answer (7.5). Is 1% of 750
In all I had to do was multiply 7.5 x 80. Giving us the answer which is 600

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3 years ago