Someone please gimme the answers

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by