Ahomework question says that the angle of depression from the bottom of a house window to a ball on the ground is 20 degrees below is your friends sketch of the situation describe your fruends error

He marked angle of depression in the wrong side.

Step-by-step explanation:

Angle of depression : If someone stands and looks down at an object, the angle of depression is the angle between the horizontal line of his sight and the object.

If point O shows the bottom of a house window, A shows the position of ball and OX is the horizonal line.

Then,  By the definition of angle of depression,

Angle XOA is the angle of depression from the bottom of a house window to a ball on the ground.

That is,

i got 86 for this

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