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15-03-2017
Mathematics

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Can someone help me with 1& 2 will mark brainiest

Can someone help me with 1amp 2 will mark brainiest class=

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IsabellaRosette IsabellaRosette

15-03-2017

sin 45° = opposite side / hypotenuse

1/2 = 8/h
h = 16

2)6/12 = 1/2
1/2 = sin 45°

6√3/12 = √3/2
√3/2 = cos 30°

Sum of angles of triangle = 180°
The 3rd angle = 180 - (45 + 30) = 180 - 75 = 105°

Angles = 30° , 45° , 105°

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