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Scilla [17]
3 years ago
9

Helpppppppppp pleaseeeee

Mathematics
1 answer:
goblinko [34]3 years ago
6 0

Answer:

9/14 cm

Step-by-step explanation:

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A regular hexagon is formed by six equilateral triangles this makes it somewhat easy to find the area of the hexagon using the p
frozen [14]
1/2 of the side length p= 1/2 x 4 =2
centre angle=360/6=60 degrees

The APOTHEM bisects or divides the centre angle into two equal angles
1/2 of the centre angle=60/2=30 degrees
tan 30 degrees = 2/APOTHEM
APOTHEM=2/tan 30= 3.46 cm

The APOTHEM is the perpendicular height of the equilateral triangle given in the diagram.
Area of the equilateral triangle
=1/2 x 4 x 3.46
=6.93 cm^2
Area of the regular hexagon= 6 x area of the equilateral triangle= 6 x 6.93 =41.6 cm^2

Hope this helps!
4 0
3 years ago
4/15 simplified <br> I need help explain in the answer (so I get how to simplify it)
lorasvet [3.4K]

4/5 is already in the simplest form but it can be written as 0.8 in decimal form

____________________________________________

To get the decimal

divided 4 by 5

which = 0.8

_______________

Hope this helps!

-Lexi

7 0
3 years ago
Simplify the expression (5-1)2-(6-5)3
attashe74 [19]
Hello there,
(5-1)2-(6-5)3
1. Finish the equation in the brackets
(3)2-(1)3

2. Multiply- The number infront of the bracket must be multiplied with the number inside the bracket 
6-3

3. Subtract
6-3 = 3
Final answer: 3

Hope this helps :))

~Top
7 0
4 years ago
Read 2 more answers
On the unit circle, which of the following angles has the terminal point coordinates (√2/2,-√2/2)
aleksandr82 [10.1K]

Answer:

Option B

Step-by-step explanation:

A unit circle means radius of the circle = 1 unit

Let a terminal point on the circle is (x, y) and angle between the point P and x-axis is θ.

Center of the circle is origin (0, 0).

Therefore, ordered pair representing the terminal point will be (OP×Cosθ, OP×Sinθ) = (\frac{\sqrt{2} }{2},-\frac{\sqrt{2} }{2})

OP.Cosθ = 1×Cosθ = \frac{1}{\sqrt{2}}

Cosθ = \frac{1}{\sqrt{2}}

θ = \frac{\pi }{4}+2\pi n,  \frac{7\pi }{4}+2\pi n where n = integers

Similarly, OP×Sinθ = 1×Sinθ = -\frac{1}{\sqrt{2}}

Sinθ = -\frac{1}{\sqrt{2} }

θ = \frac{5\pi }{4}+2\pi n,  \frac{7\pi }{4}+2\pi n where n = integer

Common value of θ will be, θ = \frac{7\pi }{4}

Option B will be the answer.

5 0
3 years ago
Add parentheses to make true<br> 6 + 4 x 6 + 2 :- 8
d1i1m1o1n [39]

Answer:

62

Step-by-step explanation:

4 0
3 years ago
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