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Paraphin [41]
2 years ago
8

Use the figure to answer the following questions.

Mathematics
1 answer:
Mars2501 [29]2 years ago
7 0
A) AB is where plane P and plane R intersect.
B) A, D, B are collinear (on the same line).
C) plane ADG (three points on the plane)
D) F, D, G, A are all on plane R
E) D lies on both planes.
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san4es73 [151]
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Find the area of the shape shown below.
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3 years ago
The length of one of two chords of a circle is 12 cm. If the chords are 6 cm and 7 cm respectively away from the centre of the c
atroni [7]

Answer:

2√23 cm or  9.59 cm to the nearest hundredth

Step-by-step explanation:

The 12 cm chord is 6 cm away from the centre and the other chord is 7 cm away from the centre.

If we draw 4 radii from the ends of the 2 chords to the centre  and 2 lines perpendicular from the centre to the 2 chords we have   2 pairs of congruent right triangles.

So by Pythagoras:

r^2 =  6^2 + 6^2   ( the given chord)

r^2 = 7^2 + x^2     where x is 1/2 * length of the second chord.

Therefore:

7^2 + x^2 = 6^2 + 6^2

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and length second chord = 2√23.

5 0
2 years ago
How do I solve this?
Lana71 [14]

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3x + (x+5) = 25

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3 0
3 years ago
I need help solving for and=
nataly862011 [7]

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65

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subtract the half from the whole to get the other half

130-65=65 :D

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3 years ago
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