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Phantasy [73]
4 years ago
15

Find the missing length of the longer leg in the 30° – 60° – 90° triangle. short leg = 3

Mathematics
1 answer:
Lemur [1.5K]4 years ago
5 0

Answer:

3 root 3

Step-by-step explanation:

in a 30 60 90 degree triangle the side lengths are always in the ratio 1 2 and root 3

if the shortest leg is 3

that means the other legs ar

6 and 3 root 3

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A square of the side lenght of 6cm has the same area as this rectangle . find the perimeter of the rectangle.
Aleksandr-060686 [28]

Answer:

The perimeter of the rectangle is 26 cm

Step-by-step explanation:

First find the area of the square by multiplying 6 by itself

A = 6 cm * 6 cm = 36 sq cm

Since the rectangle has the same area as the square, we can say that w * 9 = 36 sq cm

w * 9 = 36

Divide both sides by 9 to isolate the variable, w

w * 9 / 9 = 36 / 9

w = 4 cm

The width of the rectangle is 4 cm so now we just use that to find the perimeter of the rectangle

P = 2(9) + 2(4) = 26 cm

3 0
2 years ago
Given area of a rectangle: 7x^2+57x+8 <br> Find Perimeter:
Sever21 [200]

Answer:

Perimeter of the rectangle is 16x+18 units.

Step-by-step explanation:

The area of rectangle is

7x^2+57x+8

First we have to find the factor form of above expression.

Splitting the middle term, we get

7x^2+56x+x+8

7x(x+8)+1(x+8)

(x+8)(7x+1)

Area of a rectangle is the product of its dimensions. It means dimensions of the rectangle are (x+8) and (7x+1).

Perimeter of a rectangle is

Perimeter=2(l+b)

Perimeter=2[(x+8)+(7x+1)]

Perimeter=2[8x+9]

Perimeter=16x+18

Therefore, the perimeter of the rectangle is 16x+18 units.

3 0
4 years ago
[100 POINTS IF YOU ANSWER] A portable CD player is on sale.
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Answer:a) 69.99

b) .20%

Your welcom

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
(-11, -17), (2, -12)
Setler79 [48]

Answer: 280

Step-by-step explanation:

                                                  (-11 - 17) (2 - 12) = 280/1 = 280

Subtract: -11 - 17 = -28

Subtract: 2 - 12 = -10

Multiple: the result of step No. 1 * the result of step No. 2 = -28 * (-10) = 280

3 0
3 years ago
A local hamburger shop sold a combined total of 639 hamburgers and cheeseburgers on Monday. There were 61 fewer cheeseburgers so
Anastaziya [24]
The answer to the question

7 0
3 years ago
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