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Ronch [10]
3 years ago
7

Mateo is constructing an equilateral triangle inscribed in a circle with center P. He draws the diameter of the circle through c

enter P using a straight edge. Next he opens his compass to a width equivalent to the radius of the circle. What is his next step?
A. Place the point of the compass on the center of the circle and mark off arcs to the left and right.

B. Place the point of the compass in one of the locations where the diameter intersects the circumference and mark off arcs on either side.

C. Place the point of the compass on the edge of the circle and mark off arcs all the way around.

D. Place the point of the compass on the edge of the circle and mark off two arcs.
Mathematics
2 answers:
hjlf3 years ago
8 0
The answer is A. The only way you can get the angle correct is by putting the compass in the center of the circle.
Solnce55 [7]3 years ago
8 0

THE APEX ANSWER IS PLACE THE POINT OF THE COMPASS IN ONE OF THE LOCATIONS WHERE THE DIAMETER INTERSECTS THE CIRCUMFERENCE AND MARK OFF ARCS ON EITHER SIDE.

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The equation tan^2 x+1=sec^2 x is an identity true or false
Solnce55 [7]

Answer:

tan²x + 1 = sec²x is identity

Step-by-step explanation:

* Lets explain how to find this identity

∵ sin²x + cos²x = 1 ⇒ identity

- Divide both sides by cos²x

∵ sin x ÷ cos x = tan x

∴ sin²x ÷ cos²x = tan²x

- Lets find the second term

∵ cos²x ÷ cos²x = 1

- Remember that the inverse of cos x is sec x

∵ sec x = 1/cos x

∴ sec²x = 1/cos²x

- Lets write the equation

∴ tan²x + 1 = 1/cos²x

∵ 1/cos²x = sec²x

∴ than²x + 1 = sec²x

- So we use the first identity sin²x + cos²x = 1 to prove that

 tan²x + 1 = sec²x

∴ tan²x + 1 = sec²x is identity

8 0
3 years ago
What is the equation of the parabola?
frutty [35]
Y=-1/20(x+3)^2

Your could always tell by which way the curve is pointing and if pointing down it’s a negative it’s pointing up it’s a positive

Hope that helped
7 0
3 years ago
Q=P(R+R) (SOLVE FOR P)
forsale [732]
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A) -165 °<br> B) -125 °<br> C) 125 °<br> D) 165 °
seropon [69]

Answer:

it might be B, but dont trust me on this one because im not so sure.

Step-by-step explanation:

srry i just dont do this yet i havent rlly learned this but ik a bit abt it so yea. have a great night !

5 0
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8 0
3 years ago
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