Answer:
21
Step-by-step explanation:
A=1/2bh
252=1/2(24)(h)
multiply 1/2 and 24
252=12(h)
divide ( 252/12 12/12)
h=21
it is -40
yes yes right????
Purple
pink
or cyan
A. AB, BC, CD, AD, AC, BD
the first option! it has complete list of the line segments.