carlybeavers50
17.11.2019 •
Mathematics
What is the aproximate length of jk?
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Ответ:
∡LKM=55°
if KM≡JM
then
∡JKM=45°
step 1
find KM
tan 55=12/KM> KM=12/tan 55> KM=8.40 cm
applying the Pythagorean theorem to the triangle KJM
JK²=KM²+JM²> JK²=8.4²+8.4²> JK²=141.12> JK=11.88 cm
the answer is
11.9 cm
Ответ:
The answer is just 20