Answer:
18.84
Step-by-step explanation:
Diameter = 12
Circumference of a circle = πD
= 3.14* 12
=37.68
Since its a semicircle, (that's half of a circle), divide the result by 2
= 37.68/2
= 18.84
4^2+4×11
16+44
60 is the answer to the question
First one: Exact Form:
- 2 √2-√3-√6-√2/4
Decimal Form:
0.70710678...
53x1.2=63.6 and 2.1x82=98.4
