What is the surface area of the rectangular prism below? Options:
A ( 427 7/18) B ( 427 13/18) C (427 15/18 ) D (427 17/18)

A

Step-by-step explanation:

Because to find the base, you'll want to so the bottom sides. Not the height. So the B x B.

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°