use this formula Sn=n/2[2a+(n-1)d]
here,d=a2-a1 and n= no. Of terms
Step-by-step explanation:
S8=8/2[2(1)+(8-1)2]
S8=64
Answer:
15m
Step-by-step explanation:
1cm=3m
5cm is equal to 15m
33 square inches --> straight line across
25 square inches --> straight line across
None, because you must add the 2 shortest sides and the total must be greater than the longest side in order to be able to make a triangle.
