Work out the area of this semicircle with radius 3cm give your answer in terms of pie
2 answers:
Answer:
Answer=4.5π
Step-by-step explanation:
you square 3 and then divide it by 2 and then just add pi
Answer:
A=4.5π
The formula for finding a circle is A=πr² so just plug in the value for the radius. Don't forget to divide the entire thing by 2 when you finish, cos it's a semi circle (which is a half circle)
Step-by-step explanation:
Cos Milky Said it.
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Multiply 8 with pi since the equation for circumference is 2pi(r), or d(pi). The answer is 25.13
Answer:
0,75kg : 18,38
4kg : 98
Step-by-step explanation:
1) 0,75 x 24,50 = 18,38
2) 4 x 24,50 = 98
Just fix the unit at the end. :)
Answer:
361
Step-by-step explanation:
because the circumference is 19 must find the nearest tenth value is 361
You must divide the number of text messages in 2010 by the number of text messages in 2005.
Convert the number of text messages in 2010 to scientific notation:
Divide:
Answer: 23 many times.
Used:
The square root of A is the same as B2-D
