Hi everyone i know all the ansers but i wanna help people too 9x8 2x12

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

The product of sin 30 degrees and sin 60 degrees is same as the product of