4. A rectangle with an area of 25 square centimeters is rotated and reflected in
the coordinate plane. What will be the
area of the resulting image? Explain.

Answer

25 square

centimeters

Step-by-step explanation:

We want to find the area of the image of a rectangle with an area of 25 square

centimeters that has been rotated and reflected in

the coordinate plane.

Recall that, rotation and reflection are rigid transformations.

This means that, the preimage and the image rectangle are congruent.

Therefore the area of the image rectangle is still 25 square centimeters

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh