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2 years ago

What is the formula for the area of a triangle?

1 answer:

6 0

The formula to find the area of a triangle is :

1/2 base*height

For instance:

base=4 cm

height=5cm

area of traingle=1/2*b*h

 =1/2*4*5

 =10cm^2

Hope it helps...

Good luck on your assignment

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A pair of shoes that are regularly priced at $82.88 are on sale for 35% off. what is the sale price of the shoes? a $29.01 b $47

Andrei [34K]

If they are 35% off, then u r actually paying 65%....
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2 years ago

If sintheta = cos theta then the value of acute angle is

Lelu [443]

Answer:

45 degrees

Step-by-step explanation:

Here, we want to get the value of the acute angle

From the question, we have it that the sin of the acute angle equals its cosine

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cos A = sin (90-A)

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2 years ago

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Sergeu [11.5K]

Answer:

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Step-by-step explanation:

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X2 + 8x + 19 = 0 What is the equivilent that results from completing the square?

IrinaVladis [17]

Answer:

$(x+4)^2+3=0$

Step-by-step explanation:

Hey there!

Standard form is what this equation is in

Standard form is this: $ax^2+bx+c$

So order to complete the square, you need to take the $b$ term out of the equation, divide it by two, and then square it

In this case, the $b$ term is 8

We need to divide 8 by 2 ---> 4

Then square 4 ---> 16

So now you should add 16 to both sides

$x^2+8x+16+19=16$

Now you can simplify the LHS

$(x+4)^2 +19=16$

Now you subtract 16 from both sides

$(x+4)^2+3=0$

So this is as far as you can go since you cannot take the square root of a negative number

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Answer:

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Step-by-step explanation:

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