Answer:
-3 X 7= -21
Step-by-step explanation:
Answer:
Well, the only thing you should do is to use the formula.
if the bases are: a, b
and the height is=h
Then, this is your formula, S=½(a+b)×h
Step-by-step explanation:
Aight,
100dm=10m
S=10m
now, the formula
10=½(2.1+1.9)×h===> 20=4h==> h=5m
Answer:
gggggggggg
Step-by-step explanation:
gggggggggggg
Answer:
Yes
Step-by-step explanation:
As long as any two numbers added are greater than the number not chosen they can make a triangle
2+7= 9 9 is greater than 8
8+2= 10 10 is greater than 7
7+8= 15 . 15 is greater than 2
