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2 years ago

What is the area of a triangle whose vertices are D(3,3) , E(3,−1) , and F(−2,−5)? ?= Unit ^2

Mathematics

2 answers:

Thepotemich [5.8K]2 years ago

5 0

Length of DE = 3-(-1) = 4

SIDE DE is a vertical line

horizontal distance between E and F is 3 - (-2) = 5

So the area of triangle DEF = 0.5 * 4 * 5 = 10 sq units

rosijanka [135]2 years ago

4 0

Hope this helps you!

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Answer:

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Step-by-step explanation:

Given:

Total spent by family = $5.50

We need to find bags of chips did the family buy.

Solution:

Let number of bags of chips bought be 'x'.

Also Given:

The number of candy bars was twice as much as the number of bags of chips.

number of candy bars = $2x$

Now we can say that;

Total spent by family is equal to sum of the number of bags of chips bought and number of candy bars.

framing in equation form we get;

$x+2x=5.5\\\\3x=5.5$

Dividing both side by 3 we get;

$\frac{3x}{3}=\frac{5.5}{3}\\\\x=1.83\approx2$

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