Step-by-step explanation:
In right angled triangle ABC,
Taking alpha as reference angle,
By pythagoras theorem,
p=BC,h=AB,b=AC
Taking thita as reference angle,
p=AC,h=AB,b=BC
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In the first series, the summation applies to the whole (2n+3) inside
the parentheses, so the 3 gets summed up 5 times.
But in the second one, the summation only applies to the 2n , so
the 3 is only added after the summation is finished.
The difference between five 3s the first time and one 3 the second time
is your 12 .
Answer:
hi again
Step-by-step explanation:
V=7.3×8.5×4.2=260.61 cm
hope it helps
have a nice day
4/3 or 1 1/3 hope this helps
Answer:
B
Step-by-step explanation:
2(x)+4=16
2(6)+4=16
12+4=16
