3 years ago

In ΔKLM, m = 5.3 inches, ∠K=21° and ∠L=88°. Find the length of k, to the nearest 10th of an inch.

Mathematics

1 answer:

gtnhenbr [62]3 years ago

6 0

Answer:

20.9 ft

Step-by-step explanation:

This is a right triangle trigonometry question because N is 90 degrees. MN is adjacent to M and LM is the hypotenuse. Adjacent any hypotenuse use the cosine function.

plug in known values

switch cos(20) and x using the products property

plug into calculator to get 20.9 ft

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