markigirl53 markigirl53

19-01-2021
Mathematics

contestada

In ΔKLM, m = 5.9 cm, k = 7.1 cm and ∠L=72°. Find the length of l, to the nearest 10th of a centimeter.

Respuesta :

madylinkinney madylinkinney

02-02-2021

Answer:

7.7

Step-by-step explanation:

a ^2+b^2=c^2−2bccosA

l^2 = 5.9^2+7.1^2-2(5.9)(7.1)cos 72

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