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Serggg [28]
3 years ago
7

What is the hypotenuse of an triangle with sides 6 and 8 and angles 30 and 60 degrees?

Mathematics
1 answer:
klemol [59]3 years ago
5 0
Hypotenuse ^2 = base^2 + perpendicular ^2

H^2 = 6^2 + 8^2
H^2 = 36 + 64
H^2 = 100
H = 10

(This is a right angle triangle as 60+30= 90
180-90= 90)
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Need help with this math question
Hoochie [10]

Answer:

x = 3.1 ft

Step-by-step explanation:

Use Pythagoras' Theorem to find the base of the triangle. The base of the triangle is half of 'x'. Let's call the base 'y' for now.

To find 'y' we must use this formula,

y^{2} = c^{2} -b^{2}

'c' is the hypotenuse, the longer side, and 'b' is the other short side.

Sub in the numbers for 'c' and 'b',

y^{2} = 2.1^{2} -1.4^{2}

               = 2.45

Square root both sides to get 'y' by itself,

y = 1.5652.....

Remember that 'y' is half of x? Simply multiply 'y' by 2 to get an answer for 'x',

x = 1.5652.... x 2

  = 3.1 ft (1 d.p. nearest tenth)

Hope this helped!!

4 0
3 years ago
I need help because I don’t know what they are asking
Mashutka [201]

Answer:

  16x -2

Step-by-step explanation:

You know how to compute the perimeter of a rectangle of length L and width W:

  P = 2(L+W)

Here, you're asked to use the given algebraic expressions for length and width and simplify the result of putting those in the perimeter formula.

  P = 2((5x-2) +(3x+1))

  P = 2(8x -1)

  P = 16x -2 . . . the perimeter of the rectangle

6 0
3 years ago
How can you find the area of a irregular polygon using area formulas
kompoz [17]
A= 1/2 bxh because if you are trying to find area you have to use the the formula A=1/2 bxh
4 0
3 years ago
(33) Please check my answer in geo thanks<br><br> I am not 100% about this one
Reil [10]
Yes this is using the transitive property
Point A leads to point B, B goes to C, so overall A goes to C. Think of it connecting a chain. 

Nice job on getting the correct answer.
5 0
3 years ago
An inequality is shown below. x + 2.5 &lt; 20 What is the greatest value of x from the set {10.5, 12.5, 17.5, 19.5} that makes t
34kurt
C is the final answer :)
4 0
3 years ago
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