Subject : Mathematics
Class : VIII
Academic Year : 2012/ 2013
Chapter : Circle
ELEMENTS,
AREA AND CIRCUMFERENCE OF A CIRCLE
(BAGIAN2, LUAS DAN KELILING LINGKARAN)
A
A. ELEMENTS OF A CIRCLE
A. ELEMENTS OF A CIRCLE
Write all elements
of a circle
B. AREA AND CIRCUMFERENCE
1. Calculate
circumference and area of a circle having radius 28
cm. (with
= 22/7)
cm. (with
= 22/7)
2. Calculate
circumference and area of a circle having radius 10 cm. (with = 3,14)
= 3,14)
3. Calculate
circumference and area of a circle having diameter 70 cm. (with = 22/7)
= 22/7)
4.
Complete
the following table!
No
|
Radius (cm)
|
Circumference (cm)
|
Area (cm)
|
1
|
14
|
...
|
...
|
2
|
...
|
132
|
1386
|
3
|
42
|
264
|
...
|
4
|
35
|
...
|
3850
|
5
|
...
|
...
|
628
|
Note :
Answer the question in your book and Dont forget to use the formula ! !(Jawab pertanyaan di bukumu dan jangan lupa menggunakan caranya!)
If u want to ask the question. Please write the comment !
Do the best :)
2 komentar:
Bu... Kls ku blm diajari -_-
@Heaven : Nanti bu rima kasi contohnya di blog. :)
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