Calculate the height of a tree whose shadow is 20m shorter when the angle of elevation of the sun is 60° than when it's 30°.

table 3 represents a direct variation function. : )

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step-by-step explanation:

si si si

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation: