There are more than 50 theories for the function of this 12-sided, pentagonal-faced bronze object — but archaeologists have ...

Trigonometry close trigonometry The study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two ... (in this example, 5/7) and gives the angle Ɵ.

Slide 1 of 10, An image of a right angled triangle.The right angle is the top right vertex of the triangle. The top left vertex has been labelled as sixty two degrees. The vertical side of the ...