ExperimentsDIYS

15.04.2020 • 

Mathematics

Circle Ahas center of (0, 4) and a radius of 6, and circle B has a center of (-3,5) and a radius of
24. What steps will help show that circle A is similar to circle B?
Translate circle A using the rule (x +3, y-1).
Rotate circle A 180° about the center,
Dilate círcle A by a scale factor of 4.
Reflect circle A over the line y = x

Ответ:

lisnel

26.01.2020

Mathematics

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It’s obtuse

Explanation:
Assign the sides by length with c being longest
If (a^2)+(b^2)>(c^2) it’s acute

If (a^2)+(b^2)=(c^2) it’s right

And if (a^2)+(b^2)<(c^2) it’s obtuse

Since (3^2)+(9^2)=9+81=90
And 10^2=100 we know that (a^2)+(b^2)<(c^2) so it’s obtuse

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