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Papessa [141]
3 years ago
14

PLEASE HELP URGENTLY! I DONT UNDERSTAND ANYTHING! PLEASE EXPLAIN YOUR ANSWER!

Mathematics
1 answer:
podryga [215]3 years ago
5 0

Segments BA and CA are drawn perpendicular to two chords. The segments are congruent, so that makes the two chords congruent (they are the same distance from the center of the circle). So segments GF and HE are congruent.


In the second problem, it helps to ignore the pieces of information you don't need. Angle GET is formed by two secants, IE and NE. I've attached a diagram that shows the angle you're trying to find and its TWO intercepted arcs. A fact about circles is that if the angle is formed by two secants (their intersection is outside the circle), the measure of the angle is half the DIFFERENCE of the measures of the intercepted arcs.


The measure of angle GET = 1/2 (74 - 18) = 1/2(56) = 28 degrees.

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m_a_m_a [10]

Answer:

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  • with parentheses: c = 4P - a - b - d

Step-by-step explanation:

The meaning of the given expression is ...

  P = a + b + c + (d/4)

To solve for c, subtract all the terms on the right side not containing c.

  P -(a + b + (d/4)) = c

  c = P - a - b - (d/4)

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In such equations, parentheses are commonly missing. If that is the case here, then first we undo the division by 4, then we subtract the "not c" terms.

  P = (a + b + c + d)/4 . . . . maybe what you meant

  4P = a + b + c + d . . . . . . multiply by 4

  4P - (a +b +d) = c

  c = 4P -a -b -d

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3 years ago
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Allushta [10]

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add 3 to each side:

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Need answer please!!!!!!
patriot [66]
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