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Romashka-Z-Leto [24]
3 years ago
14

How do you calculate the area of triangle DEF?

Mathematics
2 answers:
cricket20 [7]3 years ago
8 0
First you need to solve for angle F then you can use 1/2acSinB. If you haven't done this you can also use the Pythagoras theorem and solve for the unknown side once you do that you can just use 1/2 b*h
Kazeer [188]3 years ago
4 0
Area equals 1/2  ( base times height )
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mrs_skeptik [129]

Answer:

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3 years ago
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reposting cuz i need this asap for the one i circled do i find the hypotenuse or leg? pls help. i don’t need the answer i just n
Kaylis [27]

Answer:

Hypotenuse

Step-by-step explanation:

For this problem you are given the vertical and horizontal sides of the triangle. The flagpole (6.5 meters) is the up-and-down triangle side and the distance from the hook to the flagpole is the base (5.2 meters) of the triangle.

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5 0
3 years ago
ANSWER QUICKLY..
astra-53 [7]

Answer:

10 weeks

Step-by-step explanation:

Let's set an equation for you and your brother.

You have $90 plus $18 for every week you save (x).

90+18x

And your brother has $120 plus $15 dollars per week that he saves (x)

120+15x

You want to have the sum of the money equal so combine the two concluded statements

90+18x=120+15x

Arrange them so that you have like terms on each side

90+18x-15x=12+15x-15x

90+3x=120

90-90+3x=120-90

3x=30

x=10

"x" is our number of weeks you and your brother save so the answer is 10 weeks

Just to be sure you can use our equation and plug 10 for every time you see x to make sure our answer is right.

6 0
3 years ago
-3+5+6g=11-3g−3+5+6g=11−3g <br> Find the value of G plssss! thx, I really need it!
NISA [10]

Answer:

6g -3g +6g -3g = 5+6-11-3+5-11

6g=-18

6g= -18 /÷6

g= -3

3 0
3 years ago
If Allison wants to find 80% of 630, which table should she use?
maks197457 [2]

Answer:

A

Step-by-step explanation:

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6 0
3 years ago
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