# What is the measure of a rounded to the nearest whole number ? in advance

4 answers

## Answers

A=62 degrees

A= tan^-1(15/8)

tan=(opp/adj)

<BAC= 70 degrees.

Step-by-step explanation:

The given equation to find angle BAC that is x is :

x=[tex]cos^{-1} \frac{3.4}{10}[/tex]

Or ,[tex]x=cos^{-1} 0.34[/tex]

Using calculator to find the arc of cosine0.34 we have :

x=70.1231

This when rounded to nearest whole degree is 70 degrees.

<BAC= 70 degrees.

70°

Step-by-step explanation:

x = [tex]cos^{-1}[/tex]([tex]\frac{3.4}{10}[/tex]) ≈ 70°

Use the trigonometric function:

[tex]\tan(\angle A)=\dfrac{15}{8}\\\\\tan(\angle A)=1.875\to m\angle A\approx62^o[/tex]

62 degrees

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