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lesantik [10]
1 year ago
15

Outline the process for inscribing a regular hexagon in a circle. Perform the construction in GeoGebra

Mathematics
1 answer:
mr_godi [17]1 year ago
4 0

The following are the general steps to draw a hexagon inscribed in a circle:

First draw a circle with center A through B:

Then the intersection points will be vertex C and vertex D of the hexagon. Doing this for each vertex (from left to right) we will get the following:

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84 is what percent of 105?
saul85 [17]

Answer:

80%

Step-by-step explanation:

84/105=0.8

0.8=80%

3 0
3 years ago
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-4/9 repeating decimal
Liula [17]

Yes that is a repeating decimal the answer would be -0.4444444.. and so on.

4 0
3 years ago
8 cm<br> 10 cm<br> 3 cm<br> 12 cm<br> Work out the shaded area of the shape?
qwelly [4]

Answer:

36 sq. cm

Step-by-step explanation:

triangle area= 0.5 * 12* 10

rectangle are= 8* 3

60 - 24 = 36

6 0
3 years ago
HELP ASAP TIMED !!!! What is the exact value of cos(c + d), given Sine c = StartFraction 24 Over 25 EndFraction for c in Quadran
Keith_Richards [23]

9514 1404 393

Answer:

  D

Step-by-step explanation:

In the second quadrant, ...

  c = 180° -arcsin(24/25) ≈ 106.26°

In the third quadrant, ...

  d = 360° -arccos(-3/4) ≈ 221.41°

Then cos(c+d) = cos(327.67°) ≈ 0.84498

This is a positive irrational number, greater than 21/100, so the only reasonable choice is the last one:

  \dfrac{21+24\sqrt{7}}{100}\approx 0.84498

_____

Perhaps you want to work this out using the trig identities.

  cos(c) = -√(1 -sin(c)²) = -7/25

  sin(d) = -√(1 -cos(d)²) = -(√7)/4

Then the desired cosine is ...

  cos(c+d) = cos(c)cos(d) -sin(c)sin(d)

  cos(c+d) = (-7/25)(-3/4) -(24/25)(-√7/4)

  cos(c+d) = (21 +24√7)/100 . . . . matches choice D

8 0
3 years ago
Which of the following is a sine of a in the right triangle below
seraphim [82]

Answer:

\frac{5}{13}

Step-by-step explanation:

sine of A = \frac{opposite}{hypotenuse}

opposite = 5

adjacent = 12

hypotenuse = 13

6 0
3 years ago
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