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3 years ago

7

An equilateral triangle has

2 answers:

Aleks [24]3 years ago

7 0

Answer:

In geometry, an equilateral triangle is a triangle in which all three sides are equal. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°.

Step-by-step explanation:

The answer is in its self

luda_lava [24]3 years ago

3 0

Answer Three equal sides

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The length of a rectangle is four times its width. If the area of the rectangle is 324m^2, find its perimeter.

Anuta_ua [19.1K]

Answer:

$perimeter=90$

Step-by-step explanation:

We know that the length is four times the width, so:

$l=4w$

We also know the area, which is 324 m². The formula for area:

$A=l*w$

Insert the known values:

$324=(4w)*w$

Solve for w. Simplify by removing parentheses:

$324=4w*w\\324=4w^2$

Divide 4 from both sides to isolate the variable:

$\frac{324}{4}=\frac{4w^2}{4} \\\\81=w^2$

Find the square root of both sides:

$\sqrt{81} =\sqrt{w^2} \\\\w=9$

The width is 9 m.

We know the width. Now find the length by using the area formula and inserting known values:

$324=l*9$

Solve for l. Divide both sides by 9:

$\frac{324}{9}=\frac{l*9}{9}\\\\ l=36$

The length of the rectangle is 36. (You can check: 4 times 9 is 36)

Now find the perimeter:

$P=2l+2w$

Insert values:

$P=2(36)+2(9)\\\\P=72+18\\\\P=90$

The perimeter is 90 m.

5 0

3 years ago

Help me please this is due in a couple minutes

dsp73

Answer:

v=0.79x+3.99

f=1.89x+5.49

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3 years ago

Whats the answer to this problem ?

Hatshy [7]

Well, al you have to do is find the least common multiple of members and non-members.
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non-members:14.75
is $126

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3 years ago

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zubka84 [21]

The answer for 1 is 2^8

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3 years ago

Solve this equation 53y - 55 = 42y

stiv31 [10]

53y-42y=55
11y=55
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3 years ago

Read 2 more answers