Answer:
2%
Step-by-step explanation:
Sin(pi/4) = 1/sqrt(2)
csc(pi/4) = sqrt(2)
csc^2(pi/4) = 2
-csc^2(pi/4) = -2
Step-by-step explanation:
<u>Given </u><u>:</u><u>-</u><u> </u>
A semicircle is given with radius of 3cm .
And we need to find the perimeter of the semicircle . We know the perimeter as ,
Perimeter = πr
Perimeter = 3cm × π
Perimeter = 3π cm .
Now there is the diameter of circle is 6cm . Hence totally the perimeter is ,
Perimeter = 3π + 6 cm
We were supposed to give answers in terms of π .
<h3>Hence the perimeter is ( 3π + 6 ) cm</h3>
Answer:
$0.75
Step-by-step explanation:
Answer:
Total wrapping papers Serena and her grandmother = 51/10
Step-by-step explanation:
Serena's wrapping paper for parents:
sq meters
Grandmother's wrapping paper:
sq meters
In order to determine the combined wrapping papers for both Serena and grandmother, all we need is to add both.
i.e.
Total papers = Serena's wrapping paper + Grandmother's wrapping paper





Therefore, total wrapping papers Serena and her grandmother = 51/10