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03-06-2021
Mathematics

contestada

Help with this please.

Help with this please class=

Respuesta :

nathenianasyachristi nathenianasyachristi

08-06-2021

Answer:

52.8 degree

Step-by-step explanation:

x²=1.9²+2.5²

x²=9.86

x = 3.14 this is SQ

using the sine rule :

sin90/3.14 = sinx/2.5

cross multiply

after cross multiply if you are allowed to use a calculator insert shift sin

you only use this when you want to find the unknown sine angle

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