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3 years ago

Is what I did a correct step?If so, what is the next step?

Mathematics

1 answer:

qaws [65]3 years ago

8 0

Next step would be 5x10x5

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What is the area of triangle DEF?

FrozenT [24]

Answer:

$A=2\sqrt{14}\ units^2$

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.

$A=\sqrt{s(s-a)(s-b)(s-c)}$

where

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s is the semi-perimeter of triangle

we have

$a=5\ units,b=6\ units,c=3\ units$

<em>Find the semi-perimeter s </em>

s= $\frac{5+6+3}{2}=7\ units$

Find the area of triangle

$A=\sqrt{7(7-5)(7-6)(7-3)}$

$A=\sqrt{7(2)(1)(4)}$

$A=\sqrt{56}\ units^2$

simplify

$A=2\sqrt{14}\ units^2$

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3 years ago

No links! & help me please

melamori03 [73]

Answer:

150.72 units³

Step-by-step explanation:

The formula for solving the volume of a cylinder is:

V = pi (3.14) r² h

V = (3.14) (4) (3)

V = 150.72 units³

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3 years ago

What is the area of rectangle ABCD?

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Answer:

18 square units

Step-by-step explanation:

you multiply the base by the hight after graphing the square.

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3 years ago

What’s the missing leg length

kow [346]

Answer:

Step-by-step explanation:

pythag theorum

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Is what I did a correct step?If so, what is the next step?​

Is what I did a correct step?If so, what is the next step?