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Novosadov [1.4K]
3 years ago
14

Find the area of a parallelogram with sides 6 and 12 and an angle of 60

Mathematics
2 answers:
KiRa [710]3 years ago
8 0
Hello,

Let's assume h the heigth of the parallelogram

h/6=sin 60°==>h=√3/2*6=3√3
Area=3√3 * 12=36√3

stepladder [879]3 years ago
8 0

Answer:

Step-by-step explanation:

Consider ABCD is a parallelogram and AB=CD=6 and BC=DA=12, Let AE be the height of the parallelogram, then from ΔAED, we have

\frac{AE}{AD}=sin60^{\circ}

⇒\frac{AE}{12}=\frac{\sqrt{3}}{2}

⇒AE=6\sqrt{3}

Then, the area of parallelogram=Base{\times}height

=CD{\times}AE

=6{\times}6\sqrt{3}

=36\sqrt{3}sq units

Therefore, the area of parallelogram is 36\sqrt{3}sq units.

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2 ( n + 3 ) + 5 ( 2n + 4 ) = 62 *<br> 2 points<br> 3<br> 5<br> 7<br> -8
Sophie [7]

Answer:

2 ( n + 3 ) + 5 ( 2n + 4 ) = 62 *

2 points

3

5

7

-8

Step-by-step explanation:

n+3)+5.2=(n+3)+5=n+82n+4=62=n=29v

8 0
3 years ago
Someone please help me with these Geometry questions.
AnnZ [28]
<h3>Answer: 112.5 square units</h3>

Work Shown:

A = area of the triangle

A = base*height/2

A = 9*7/2 = 63/2 = 31.5 ... see note1 below

B = area of rectangle

B = base*height

B = 9*3 = 27

C = area of parallelogram

C = base*height .... see note2 below

C = 9*6 = 54

If you're confused where I got the 6 from, check out the attached image below.

D = total area of the composite figure

D = A+B+C

D = 31.5 + 27 + 54

D = 112.5

-------------------------

note1: The vertical component of the triangle is 9 units because this is part of the rectangle. The rectangle has opposite sides that are the same length. The parallelogram's vertical sides are 9 units long as shown by the single tickmark.

note2: a rectangle is essentially a special case of a parallelogram. In other words, a rectangle is a parallelogram with 4 right angles. So this is why the formula "area = base*height" shows up identical for both rectangles and parallelograms. Keep in mind that the height is always perpendicular to the base. You will not use the segments marked with double tickmarks.

6 0
3 years ago
Help help help please
fgiga [73]

Answer:

The answer is 120

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
How do you figure out the square root of a number?
maria [59]
Is that number times itself
5 0
3 years ago
Please help! Fred mixes a solution using two types of solutions: 0.60 liters containing 10% alcohol and 0.40 liters containing 3
noname [10]

Answer:

20%

Step-by-step explanation:

Total Litres in mixture=(0.60+0.4)=1 Litre

alcohol in first portion:=0.10(0.60)=0.06 Litres

alcohol in second portion:=0.35(0.40)=0.14 Litres

Total alcohol in mixture = 0.06 +0.14 = 0.20

% of alcohol in mixture:

                                          \frac{0.2}{1} (100) = 20%%

7 0
1 year ago
Read 2 more answers
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