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photoshop1234 [79]

3 years ago

7

A square has a length of 4.8 feet. If the square is dilated by a factor of 4 , what is the length of a side of the new square? W

hat is the new shape’s perimeter and area

1 answer:

oksano4ka [1.4K]3 years ago

8 0

Answer:

4.8x4=19.2, and then 19.2/4=4.8 feet

Each side would be 4.8 feet

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3 years ago

Noah is baking a two-layer cake, in which the bottom layer is a circle and the top layer is a triangle. If segment AB = 5 inches

padilas [110]

Hey There!! I already did this Question before but, I'm just going to say it...

segment AB ≅ segment BC because their arcs are congruent; therefore, ΔABC is an isosceles triangle ⇒ answer D. * Lets revise some facts in the circle

- If a circle is circumscribed around a triangle, then the vertices of the

triangle divide the circle into three arcs

- The three sides of the triangle are the chords of the circle

- Each chord in the circle subtended by an arc

- If two arcs equal, then they are subtended equal chords

* Lets solve the problem

∵ Circumscribed circle D around triangle ABC

- The vertices of triangle ABC lie on the circumference of the circle

∴ AB , BC , AC are the chords of the circle

- Arcs AB and AC are congruent

∵ Arc AB ≅ arc AC

∵ Arc AB subtended the chord AB

∵ Arc AC subtended the chord AC

∴ AB = AC

∵ AB = 6 inches

∴ AC = 6 inches

- The triangle with two equal sides is called an isosceles triangle

∴ Δ ABC is an isosceles triangle

∴ Noah know that the top layer of his cake is an isosceles triangle

* segment AB ≅ segment BC because their arcs are congruent;

therefore, ΔABC is an isosceles triangle.

Hope It Helped!~ ♡

ItsNobody~ ☆

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3 years ago