Answer:
16
Step-by-step explanation:
one third of 24 is eight, 8x2=16
A
step by step
A=1/2h(B+b)
15=1/2h(4+1)
15/(4+1)=1/2h
15/5=1/2h
3=1/2h
h=2*3
h=6
B
