eduardowebsterw16 eduardowebsterw16

27-05-2016
Mathematics

contestada

Helpp

What is the length of stack H D with bar on top when BH = 20 in., BC = 12 in., and DC = 14 in.? Round your answer to the nearest tenth of an inch.

Helpp What is the length of stack H D with bar on top when BH 20 in BC 12 in and DC 14 in Round your answer to the nearest tenth of an inch class=

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HomertheGenius HomertheGenius

09-06-2016

We will use Pythagorean Theorem:
HC^2=20^2-12^2=400-144=256
HC=[tex] \sqrt{256} [/tex]=16
HD^2=16^2-14^2=256-196=60
HD=[tex] \sqrt{60} [/tex]=7.7459
Answer: HD=7.7 in.

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