Spectrehero Spectrehero

05-07-2020
Mathematics

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Determine the unknown side lengths’ to the nearest tenth. for the first question and also please help with question 6

Determine the unknown side lengths to the nearest tenth for the first question and also please help with question 6 class=

Respuesta :

edwardkaddo25 edwardkaddo25

05-07-2020

Answer:

z =15cm and

y=9.0cm

Step-by-step explanation:

Use sine rule

12/ sin53 = z / sin 90

Z = 12 x sin 90 / sin 53

Z = 15cm

To find y the angle opposite to y will be 180-(90+53)=37º

So

15/sin 90= y/sin37

y= 15 x sin37 /sin 90

y = 9.0cm

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