3 years ago

Leticia has two bouquets of flowers.Each bouquet contains 13 daisies.

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

8 0

Answer:

Step-by-step explanation:

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Find the area of the right triangle △DEF with the points D (0, 0), E (1, 1), and F.

Tems11 [23]

Answer:

The area of the triangle is $\sqrt{3}$

Step-by-step explanation:

Given:

Coordinates D (0, 0), E (1, 1)

Angle ∠DEF = 60°

△DEF is a Right triangle

To Find:

The area of the triangle

Solution:

The area of the triangle is = $\frac{1}{2}(base \times height)$

Here the base is Distance between D and E

calculation the distance using the distance formula, we get

DE = $\sqrt{(0-1)^2 + (0-1)^2}$

DE = $\sqrt{(-1) ^2 + (-1)^2$

DE = $\sqrt{1+1}$

DE = $\sqrt{2}$

Base = $\sqrt{2}$

Height is DF

DF = $tan(60^{\circ}) \times DE$

DF = $\sqrt{3} \times DE$

DF = $\sqrt{3} \times\sqrt{2}$

Now, the area of the triangle is

= $\frac{1}{2}({\sqrt{2})(\sqrt{3} \times \sqrt{2})$

= $\frac{1}{2}({\sqrt{2})(\sqrt{3} \sqrt{2})$

= $\frac{1}{2}(2\sqrt{3} )$

= $\sqrt{3}$

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2 years ago

The Hamid family installed a cylindrical pool in their backyard. The

Alex787 [66]

Answer:

4,046.4 ft^{2}

Step-by-step explanation:

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2 years ago

Where do you get the 2/5 and 3/5 from

-Dominant- [34]

Answer:

we can get 3/2 as the answer

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2 years ago

Find the value of x so that the line through the pair of points has the given slope.

MatroZZZ [7]

1 is the answer b/c that's the only number it goes too

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2 years ago

A picture has an area of 35cm and is 7cm long.An enlargement of the picture is made which is 21cm long.Find the area of the enla

Andrej [43]

Answer:

315 cm²

Step-by-step explanation:

Given the scale factor of 2 similar figures is a : b , then

ratio of areas = a² : b²

Here the scale factor = 7 : 21 = 1 : 3 , thus

ratio of areas = 1² : 3² = 1 : 9

That is the area of the enlargement is 9 times the original, so

area of enlargement = 35 × 9 = 315 cm²

5 0

3 years ago

Read 2 more answers