Answer:
13f=29
Step-by-step explanation:
I hope this helps you out!
Step-by-step explanation:
I think the answer for the 3) is S=(a×ha)÷2= (7×4.2)÷2= 29,4 ÷2=14.7
And for the 5) one im really not sure.
I can't really help without the amounts being given but I can say that two supplementary angles add up to 180 degrees, so I hope that helps
