AB = 6cm , AC = 12cm Calculate the length of CD Give your answer to 3 significant figures

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Ramganesh asked Mar 1, 2023

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6 votes

AB = 6cm , AC = 12cm

Calculate the length of CD
Give your answer to 3 significant figures

AB = 6cm , AC = 12cm Calculate the length of CD Give your answer to 3 significant-example-1

Mathematics
high-school

Ramganesh asked Mar 1, 2023

by Ramganesh

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16 votes

Answer:

144-36=108

Square root 108 = 10.4cm (cb)

Soh Cah toa

Sin(55) =o/h

=10.4/h

H x sin55 =10.4

÷sin55

H= 10.4/sin55

H=12.7cm

CD is 12.7cm to 3 s.f.

PT Vyas answered Mar 6, 2023

by PT Vyas

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