rileygregory8 rileygregory8

01-05-2021
Mathematics

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Find the unknown measures. around lengths to the nearest hundredth and angle measures to the nearest degree.

Find the unknown measures around lengths to the nearest hundredth and angle measures to the nearest degree class=

Respuesta :

thebecks thebecks

01-05-2021

Answer:

choice 3)

JK = 3.51

WK = 9.15

∠J = 69°

Step-by-step explanation:

sin 21° = JK/9.8

0.3584 = JK/9.8

cos 21° = WK/9.8

0.9336 = WK/9.8

WK = 9.15

∠J = 90° - 21° = 69°

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