Reflections — Unit test Answers
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Which of the following shows a square inscribed in a circle?
A
Option
B
Option
C
Option
D
Option
2
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What mistakes did he make? Select two options.
A
He applied the reflection to the pre-image first.B
He applied the rotation to the pre-image first.C
He changed the size of the figure instead of just applying a rotation.D
He used point P as the center of rotation.E
He used an incorrect angle of rotation around point P.3
Question text not available
A
60°B
90°C
180°D
360°4
Which statement describes the order of rotational symmetry for an isosceles triangle?
A
An isosceles triangle has an order 0 rotational symmetry because there is no angle at which it can be rotated onto itself.B
An isosceles triangle has an order 1 rotational symmetry because it does not have all congruent angles.C
An isosceles triangle has an order 2 rotational symmetry because it has 1 pair of congruent angles.D
An isosceles triangle has an order 3 rotational symmetry because it has 3 angles.5
All measurements of circle A can be determined using which of the following?
A
the location of the center of circle A on the coordinate planeB
the scale factor between circle A and a larger circleC
the scale factor between circle A and a smaller circleD
the radius of circle A6
Which construction uses the compass for only one step in addition to drawing the circle itself?
A
an equilateral triangle inscribed in a circleB
a square inscribed in a circleC
a regular hexagon inscribed in a circleD
a diameter of a circle7
A composition of transformations maps ΔKLM to ΔK"L"M".
A
a 90° rotation about point LB
a 270° rotation about point LC
a 90° rotation about point PD
a 270° rotation about point P8
The ratio of the radii of two circles is 2:3. The diameter of the smaller circle is 15 mm. What is the length of the diameter of the larger circle?
A
10.00 mmB
11.25 mmC
22.50 mmD
30.00 mmDid you find these answers helpful?
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