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January 27, 2015

January 27, 2015

Posted by **black_widow** on Saturday, March 23, 2013 at 12:00am.

Choose one answer.

a. t=4d and h does not matter.

b. h^2 + d^2 = (t^2)/4

c. t - h = d

d. (t - h) = 4d

e. t=2h and d does not matter.

- maths -
**Steve**, Saturday, March 23, 2013 at 12:35am(e)

The bottom of the mirror must be halfway up t, so the angles to and from the mirror are equal

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