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Afina-wow [57]
3 years ago
8

Need help finding the area

Mathematics
2 answers:
pishuonlain [190]3 years ago
6 0

Answer:

42ft

Step-by-step explanation:

Area = L×B

7 ft × 6ft

=42 ft

Hope this helps you

slavikrds [6]3 years ago
3 0

Answer:

21 cm²

Step-by-step explanation:

Area of triangle is <u>base x height</u>

                                        2

6 x 7 = 42

42/2 = 21

I hope this helps.

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Round your answer to the nearest hundredth
Anton [14]

Answer:

9.49

Step-by-step explanation:

Using the Pythagorean Theorem, we know a²+b²=c².

So 3²+9²=(BA)²

9+81=(BA)²

90=(BA)²

From this, we know BA=√90

BA=9.486

Rounding to the nearest hundredth, this is 9.49

Please consider a brainliest! Thank you!

7 0
2 years ago
12 people can be of 30 chairs in eight hours how many chairs candy people build in 100 hours
ruslelena [56]
Hello!

Divide the amount of chairs (30) that 12 people can build by the number of hours (8) it takes to build them, to find out how many chairs they make per hour.

30 ÷ 8 = 3.75

This means that they make they make 3.75 chairs per hour. Multiply this by 100 hours.

3.75 × 100 = 375

ANSWER:

The people can build D. 375 chairs in 100 hours.
7 0
3 years ago
Can someone help me do this
Andrei [34K]

Answer:

...

Step-by-step explanation:

7 0
3 years ago
Help idk how to do this ASAP please
Sergio039 [100]

Answer:

The area of ∆DEF = 4.5in²

Step-by-step explanation:

From the above diagram,

∆BAC ~∆DEF

It is important to note that if two triangles are similar, the ratio of their areas is equal or equivalent to the ratio of the areas of their sides

This means for the above question, that

We have the bigger triangle = ∆BAC has a side of 4 in and Area = 8 in²

The small triangle has a side of 3in

Finding the scale factor k = ratio of the sides of both Triangles

k = 4/3

k² = (4/3)²

k² = 16/9

Hence,

Area of ∆BAC/ Area of ∆DEF = 16/9

8in²/Area of ∆DEF = 16/9

We cross Multiply

8 in² × 9 = Area of ∆DEF × 16

Divide both sides by 16

Area of ∆DEF = 72/16

= 4.5in²

Therefore, the Area of ∆DEF rounded to the nearest tenth = 4.5in²

8 0
3 years ago
A cube has a base area (B) of 49 in?. what is the volume?​
timofeeve [1]

Answer:

Base Area , B = 49\\side,a = \sqrt{49 }  = 7\\Volume, V = B* a = 49 * 7 = 343

5 0
3 years ago
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