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Savatey [412]
3 years ago
13

Idk how to do this can you help me

Mathematics
1 answer:
slavikrds [6]3 years ago
4 0
Equilateral triangle are also equiangular which means all angles are 60 degrees. thus our needed altitude is the leg of a right triangle with other leg 4 and hypotenuse 8. 4² +a² = 8²

a² = 48
a=√48 = 4√3
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A square.

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How are circumference and area the same? How are they different?
Sindrei [870]
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3 years ago
Whats the area of the shape
Brums [2.3K]

Answer:

Step-by-step explanation: what are the dimensions

8 0
2 years ago
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Which of the following is an extraneous solution of (45-3x)^1/2=x-9?
Alisiya [41]

Answer:

The answer is C: X = 3

Step-by-step explanation:


5 0
3 years ago
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Find the missing lengths:<br> LO=5 and OK=4, find OH and KH.
hodyreva [135]

Answer:

The length of KH is 6 units and OH is 6.3 units.

Step-by-step explanation:

Given the figure with lengths LO=5 and OK=4. we have to find the length of  OH and KH.

In ΔLOH

By Pythagoras theorem

LH^2=LO^2+OH^2\\\\LH^2=5^2+OH^2 → (1)

In ΔKOH,

KH^2=OH^2+OK^2\\\\KH^2=OH^2+4^2  → (2)

In ΔKHL,

KL^2=LH^2+KH^2

Using eq (1) and (2), we get

KL^2=5^2+OH^2+OH^2+4^2

9^2=25+2OH^2+16

⇒ 2OH^2=81-25-16=40

⇒ OH=\sqrt{20}=6.324\sim6.3units.

Put the above value in eq 2, we get

KH^2=20+4^2=36

⇒ KH=6 units.

8 0
3 years ago
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