In the formula a2 + b2 = c2, what is the value of a2?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.