Please help me with number 1 and pleaseee show me how to do it step by step. Feel free do do others i will give 100 points and u will be marked brailiest

8

Step-by-step explanation:

For number 1, the area is 48.

A = bh/2, so the height (12), times the base, divided by two equals the area (48).

Now we have:   48 = (b*12)/2

Calculate: 48*2 = 12b, so 96=12b, so b = 8

the base is 8

Step-by-step explanation:

area is bh/2

plug in numbers and you see that 12h/2 = 48

12h=96

h=8

where is the rest of the

step-by-step explanation: