In ΔBCD, the measure of ∠D=90°, the measure of ∠B=8°, and BC = 6.4 feet. Find the length of DB to the nearest tenth of a foot.
2 answers:
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Answer:
Looking at the given points we know that it is going to be a triangle because it only have 3 points. Therefore the figure is a triangle and the area formula would be .
You can look at the attached graph and what we see is that our height of the triangle is from to
which means that our height is 7 units high. We can also see that our base starts at
and ends at
making us have a base of 8 units.
<u>We then plug in the values and solve</u>
Therefore, the area of our triangle is
Hope this helps! Let me know if you have any questions
