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4 years ago

Can someone help me I don't understand

Mathematics

1 answer:

sashaice [31]4 years ago

6 0

Step-by-step explanation:

Hey there!

From the above right angled triangle ABC;

Taking Angle ABC as reference angle;

Angle ABC = ???

Perpendicular (p) = AC = 15

Base (b) = AB = 47

Now;

Taking ratio of sin;

$\tan( \alpha ) = \frac{p}{b}$

Keep value;

$\tan( \alpha ) = \frac{15}{47}$

Simplify it;

$\tan( \alpha ) = 0.3191489$

Take tan to next side;

Angle ABC (alpha) = tan'(0.3191489)

Therefore, the measure of angle ABC is 17.70°.

Hope it helps!

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Step-by-step explanation:

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Common ratio: The ratio of any term to the preceding term of that term.

The $n^{th}$ term of a geometric sequence is represented by $a_n=ar^{n-1}$ .

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The sum of first n term is

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Given geometric sequence,

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Read 2 more answers

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