David purchased some cookies at the cost of 5 for $4 and sold them at 4 for $5. David made a profit of $180 in total. How many c
1 answer:
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well, let's notice something, we have two 45° angles, now each of those will give use an equal opposite side, namely if that one side is "x", the other is her twin, "x" as well.
is a right-triangle, so we can use the pythagorean theorem, and we know the sides are x,x,6.
Answer:
Height of stone face is : <em>56.7 ft</em>
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Step-by-step explanation:
Kindly refer to the attached image for the diagram of the given conditions and values.
Let C be the base of mountain.
D be the point from where two sightings are taken.
AB be the stone face.
Angle of elevations:
To find:
Height of stone face = ?
AB = ?
Solution:
We can use trigonometric function of tangent here in two triangles :
So, Height of stone face is : <em>56.7 ft</em>
