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Jet001 [13]
3 years ago
13

Write the standard equation of a circle with center (0,0) and radius 7

Mathematics
2 answers:
Travka [436]3 years ago
8 0

Answer:

x² + y² = 49

Step-by-step explanation:

(x - 0)² + (y - 0)² = 7²

x² + y² = 49

lana66690 [7]3 years ago
7 0

Answer:

x^2 + y^2 = 49

Step-by-step explanation:

For center (h,k) and radius r, eqution of the respective circle is

(x-h)^2 + (y-k)^2 = r^2

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Schach [20]

Find any two points on the line.

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<span>x=−1⇒y=4<span>(−1)</span>+7=3⇒</span> Point 2: <span>(−1,3)</span>

Step 2: Plot the two points from Step 1

Step 3: Draw a straight line through both points

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andrew-mc [135]

Answer:

a)  ∠2 and ∠4 are a linear pair

∠4 = 115°

b)  ∠2 and ∠7 are alternate exterior angles

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c) ∠2 and ∠3 are vertical angles

∠3 = 65°

Step-by-step explanation:

Linear pair : a pair of adjacent angles formed when two lines intersect. The two angles of a linear pair are always supplementary (two angles whose measures add up to 180°)

Alternate exterior angles : when two parallel lines are cut by a transversal (a line that intersects two or more other, often parallel, lines), the resulting alternate exterior angles are <u>congruent</u>.

Vertical angles : a pair of opposite angles formed by intersecting lines. Vertical angles are always <u>congruent.</u>

a)  ∠2 and ∠4 are a linear pair

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b)  ∠2 and ∠7 are alternate exterior angles

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c) ∠2 and ∠3 are vertical angles

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Hope it helps!

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