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Hello me with A and B please. And explain how to do it if you can.
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Hello me with A and B please. And explain how to do it if you can.
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Jul 4, 2018
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Hello me with A and B please. And explain how to do it if you can.
Mathematics
high-school
Rude
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a) The larger and small triangles are similar, so
8/10 = x/15
x = (8*15)/10 = 12
b)find the altitude x
tan 40 = x / 5
x = 5 tan 40 = 4.195
By Pythagoras theorem:-
y = sqrt ( 4.195^2 + 11^2)
y = 11.8 to 3 significant figures
Matthias Schreiber
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Jul 10, 2018
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Matthias Schreiber
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