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Inessa [10]
3 years ago
5

Can someone help me with 1& 2 will mark brainiest

Mathematics
1 answer:
melamori03 [73]3 years ago
7 0
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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