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2 years ago

Read the paragraph below. Which would be the most helpful peer review comment to make about the writer’s style?

Mathematics

1 answer:

sasho [114]2 years ago

5 0

Answer:

“I think wolves are scary, too. You’ll have to do more to convince me that they’re not!”

Step-by-step explanation:

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In parallelogram ABCD, AD = 12 in, m∠C = 46º, m∠DBA = 72º. Find the area of ABCD

dmitriy555 [2]

Answer:

The area of parallelogram ABCD is $78.42 \mathrm{in}^{2}$

Explanation:

Given:

AD = 12 in

$m \angle C=46^{\circ}$

$m \angle D B A=72^{\circ}$

To Find:

The area of parallelogram ABCD=?

Solution:

When we construct the parallelogram with the given data, we get a parallelogram formed by 12 cm as one side and an angle with 46 degrees.

The area of the parallelogram can be calculated by $a b * \sin (a n g l e)$

Substituting the value of a=12 we have

$\text { Area of parallelogram }=12 * \text { bsin } 46$

<u>To find the value of b, </u>

We know that area of a triangle can be expressed as,

$\text { Area of triangle }=(A b / 2) \sin (\text {angle})$

So,

$(12 * B D / 2) * \sin 46=(A B * B D / 2) * \sin 72$

Cancelling BD and 2 on both sides we get,

$12 * \sin 46=A B * \sin 72$

$A B=12 * \frac{\sin 46}{\sin 72}$

Therefore,

$b=\frac{12 \sin 46}{\sin 72}$

Substituting the value of b,

$=12 *\left(\frac{12 \sin 46}{\sin 72}\right) * \sin 46$

=78.42

So the area of the parallelogram is $78.42 \mathrm{in}^{2}$

6 0

4 years ago

Read 2 more answers

What is the volume? 7 mm 7 mm 7 mm cubic millimeters

Oksanka [162]

$\Huge\bf\overbrace{\underline{ \underbrace{\blue \dag \orange{Answer}}}} \blue\dag$

$\large\bf\mapsto{\underline{\red{volume \: of \: cube = {a}^{3} }}}$

$\huge\bf\mapsto{\underline{\green{ {7}^{3} }}}$

$\Large\bf\leadsto{\underline{\purple{ \: 7 \times 7 \times 7 = 343}}}$

6 0

3 years ago

Why is the number 6 scared of the number 7?

Lady_Fox [76]

This is a well known joke:

Why six afraid of seven? Because seven ate nine!

It is supposed to be a "word game" where instead of writing eight, the authour wrote ate, which sound the same but means something different.

Hope it helped,

Happy homework/ study/ exam!

8 0

3 years ago

Read 2 more answers

What is the degree of the polynomials w3-2w+w-5

yuradex [85]

16w because you need to add it up

7 0

4 years ago

2 2/5 x 3/4 <br> plz help me! and plz show your work.

Aneli [31]

Answer:1.8

Step-by-step explanation: