3 years ago

Are these two figures congruent? Why or why not?

1 answer:

7 0

Yes they are congruent because they have just been translated in a rotation. But they still hold the same area and perimeter.

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Convert the polar equation to rectangular form: r = 2 / [1 + sin(theta)]

iren2701 [21]

R = 2 / (1 + sin θ)

Using the following relations:

R = sqrt (x^2 + y^2)
sin θ = y/R

R = 2 / (1 + y/R)
R(1 + y/R) = 2
R + y = 2
R = 2 - y
sqrt(x^2 + y^2) = 2 - y

Squaring both sides:
x^2 + y^2 = (2 - y)^2
x^2 + y^2 = 4 - 4y + y^2

x^2 + 4y - 4

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Answer:

Step-by-step explanation:

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let's recall the vertical line test, if a vertical line hits the graph or points twice, then is NOT a function. Check the picture below.

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3 years ago

Simplify 2[(9 - 5)^5 / 8]

Alenkinab [10]

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