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Shtirlitz [24]
3 years ago
13

the angle between the length of a rectangle and its diagonal is 30degrees. if the length of the rectangle is 6cm, find the lengt

h of diagonal.
Mathematics
1 answer:
adell [148]3 years ago
4 0

Answer:

view the picture

Step-by-step explanation:

It is self explanatory

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A circle with radius 4 inches is inscribed in an equilateral triangle. Find the area of the triangle.
LUCKY_DIMON [66]

The inscribed circle has its center at the point of intersection of the angle bisectors, which also happen to be the medians. Hence the altitude of the triangle is 3 times the radius, or 12 inches.

The side length of this triangle is 2/√3 times the altitude, so the area is

... Area = (1/2)·b·h = (1/2)·(24/√3 in)·(12 in)

... Area = 48√3 in² ≈ 83.1384 in²

7 0
3 years ago
Hey square piano has an area of 200 ft.² how long is each side of the piano to the nearest 0.05
sergey [27]
Since all sides of the square are equal, therefore area of square can be calculated using the following rule:
area of square = side^2
200 = (side length)^2
therefore,
the length of each side is sqrt(200) = 14.14 ft
4 0
3 years ago
Can you help me simplify this expression 16d + 20c + 5d -7 - 8c - 7d + 3?
dimulka [17.4K]

Answer:

12c + 14d - 4

Step-by-step explanation:

16d + 20c + 5d -7 - 8c - 7d + 3

Simplify the expression

__________________________

To solve, we need to first take in mind the fact that there are different like terms within this expression. Like terms are numbers or values that end in different symbols, such as variables or exponents. Since we are filled with variables such as c and d. We can do as followed :

Combine the "d" like terms :

16d + 5d - 7d

21d - 7d

14d

Combine the "c" like terms :

20c - 8c

12c

Combine the constants :

-7 + 3

-4

Now add all of the values together to get the final expression.

12c + 14d - 4

6 0
2 years ago
Read 2 more answers
How do I turn 3/4 into a decimal<br>​
kobusy [5.1K]

Answer:

0.75

Step-by-step explanation:

Divide 3 by 4

7 0
3 years ago
PLEASE HELP IN URGENT NEED
dedylja [7]

Answer:

A

Step-by-step explanation:

A number divisible by 9 is also divisible by 3. This is because nine is basically just 3+3+3.

4 0
3 years ago
Read 2 more answers
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