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miss Akunina [59]
3 years ago
11

Can anyone help with this one question im giving 100 points plz dont answer if you dont know.

Mathematics
1 answer:
Viefleur [7K]3 years ago
8 0

Answer:

Solution given:

<C=90°

<B=48.7°

a=?

<A=?

b=?

Now

<u>In</u><u> </u><u>right</u><u> </u><u>angled</u><u> </u><u>triangle</u>

<A+<B+<C=180°[<u>Sum</u><u> </u><u>of</u><u> </u><u>interior</u><u> </u><u>angle</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>triangle</u><u> </u><u>is</u><u> </u><u>1</u><u>8</u><u>0</u><u>°</u><u>]</u>

<u> </u><u><</u>A+48.7+90=180°

<A=180-90-48.7

<<u>A</u><u>=</u><u>4</u><u>1</u><u>.</u><u>3</u><u>°</u>

<u>again</u>

Sin 48.7=perpendicular/hypotenuse=b/c

b=sin 48.7°×16

b=12

again

Cos 48.7°=base/hypotenuse=a/c

a=Cos 48.7°×c

a=Cos 48.7°×16

a=10.6

<u>So</u><u> </u><u>,</u><u>answer</u><u> </u><u>is</u><u>:</u><u>D</u><u>.</u><u>m</u><u><</u><u>A</u><u>=</u><u>4</u><u>1</u><u>.</u><u>3</u><u>°</u><u>,</u><u>a</u><u>=</u><u>1</u><u>0</u><u>.</u><u>6</u><u> </u><u>and</u><u> </u><u>b</u><u>=</u><u>1</u><u>2</u><u>.</u>

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