Triangle A"B"C" is formed by a reflection over x= -1 and dilation by a scale factor of 4 from the origin. Which equation shows the correct relationship between triangle ABC and triangle A"B"C"? A. line A"B" = line 4BC
B. line BC = line 4 A"B"
C. Line AB / line A"B" = 1/4
D. line C"A" / line CA = 1/4

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b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.