3 years ago

What’s the area of a circle

Mathematics

2 answers:

DENIUS [597]3 years ago

7 0

Answer:

A = πr²

Step-by-step explanation:

bro do u not have google

elena-s [515]3 years ago

7 0

A=3.14r^2 I hope this helps man

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F(x)=3x^2+5

Westkost [7]

Answer:

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2 years ago

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In triangle ABC, angle A = 2x°, angle B = (x-45)° and angle C = (x-15)°.

Lelechka [254]

$Sum\ of\ angles\ in\ triangle\ is\ equal\ to\ 180^{\circ}\\\\
To\ find\ x\ sum\ all\ angles:\\
2x+x-45+x-15=180\\\\
4x-60=180\ \ \ |Add\ 60\\\\
4x=60+180\\\\
4x=240\ \ \ |Divided\ by\ 4\\\\
x=60^{\circ}\\\\
\angle \ A=2x=2*60=120^{\circ}\\
\angle\ B=x-45=60-45=15^{\circ}\\
\angle\ C=x-15=60-15=45^{\circ}\\\\Triangle\ is\ \textbf{obtuse}.$