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Mama L [17]
3 years ago
7

The perimeter of a rectangle is 68cm.

Mathematics
1 answer:
andrew11 [14]3 years ago
7 0

Answer:

9

Step-by-step explanation:

The equation for the perimeter is 2(L+B)

Since the perimeter is 68

Divide it by two

Subtract the quotient by 25 and

Yes!!! We got the answer

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Find the value of the length <br> x<br> rounded to 1 DP.
bagirrra123 [75]

Length of x is 98.2 m

<u>Step-by-step explanation:</u>

Step 1:

Use the trigonometric ratio tan 27° to find the common side of both the right angled triangles.

tan 27° = opposite side/adjacent side = opposite side/9

∴ Opposite side = 9 tan 27° = 9 × - 3.27 = -29.46 m

Step 2:

Use this side and trigonometric ratio cosine to find the value of x.

cos 49° = adjacent side/x = -29.46/x

∴ x = -29.46/cos 49° = -29.46/0.30

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5 0
3 years ago
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Find the value of x.
kirza4 [7]
Hey there :)

Here we need to use Trigonometry!

The given angle is 61°
The opposite to the angle is 22 
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The trigonometric ratio that uses opposite and adjacent is tan
( I have uploaded a picture to help you )


tan α = \frac{opposite}{adjacent}
tan 61 = \frac{22}{adj}
adj = \frac{22}{tan(61)}
adj ≈ 12.19 ≈ 12

x = 12


5 0
4 years ago
How do I find the area of a trapezoid?​
konstantin123 [22]

Answer:

Step-by-step explanation:

Area of a trapezoid is found with the formula, A=(a+b)/2 x h. Learn how to use the formula to find area of trapezoids.

The two parallel sides are the bases, and height, as always, is the perpendicular distance from one base to the opposite. The area of this parallelogram is its height (half-height of the trapezoid) times its base (sum of the bases of the trapezoid), so its area is half-height × (base1 + base2).

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3 years ago
In the word problem below, what answer or solution are you being asked to
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Answer:

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5 feet 8 inches equals how many inches
sweet [91]
There are 12 inches in a foot. To find how many inches are in 5 feet, multiply by 12:

5*12 = 60 inches

Add the 8 additional inches:

60 + 8 = 68 inches

The answer is 68.
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4 years ago
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