Pour Karimi and her colleagues defined a new angle ratio, Φ, to characterize the droplet shape and used this to predict accurately how each would behave. "We suggest that the value of Φ ...

because viewing angles are measured as the contrast between black and white, and what is considered an acceptable contrast ratio differs among vendors. The best way to measure a viewing angle is ...

can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three trigonometric ratios and function machines is essential. For a right-angled ...

Calculate the angle QPR. Give the answer to one decimal place. Label the sides of the triangle \(o\), \(a\) and \(h\). Next choose the correct ratio from \(s^o_h~c^a_h~t^o_a\). In the triangle the ...