Sharp EL-506P

36
Ex. 2 Calculate the surface and the volume of the sphere.
S=41rr
2
,
V =~1rr3
3
4 [&7 ~ [1[) 00 12 ~ @]
-+ 1809.557368 (S)
12 ~ 3 [K) ~ 00 00
Radius r = 12cm
.
4 GJ 3 @] -+ 7238.229474 (V)
G
2
Ex. 3 Cosine theorem
c = ✓ a•+ b
2
- 2abcos O
a= 14.7 cm, b = 17.8 cm,
8 = 43 ° 32'54"
Calculate the length c
DEG mode
14.7 ~ rn 11 .8 ~ G 2 00
14.7 [K) 17.8 00 43.3254 DE G
~ @] [D -+ 12.39480134