2 years ago

If all the sides of a triangle get 2 times as big, how much does the area change?

Mathematics

1 answer:

KIM [24]2 years ago

4 0

Answer:

Step-by-step explanation:

area becomes 2²=4 times.

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egoroff_w [7]

Answer:

c = -3

Step-by-step explanation:

Multiply all terms by the same value to eliminate fraction denominators

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Cancel multiplied terms that are in the denominator

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Multiply the numbers

$-8=-c-11$

Add 11 to both sides of the equation

$-8+11=-c-11+11$

Simplify

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Simplify

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In the diagram, BC¯¯¯¯¯∥DE¯¯¯¯¯ .<br><br> What is AE ?

emmainna [20.7K]

So there are two triangles here: Smaller one (ADE) and bigger one (ABC) and they both are similar.

So you can use proportions here.

AB / AC = AD / AE

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So plug in these values:

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