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Three dimensions
The distance between point and plane Distance between
point and plane is vertical line which connects point and center pointof plane.
( jarak titik ke bidang adalah panjang garis tegak lurus dari titik ke bidang )
• A
A’
A cube ABCD.EFGH with edge 6 cm, find the distance between point A to plane BCGF
A B
CD
H G
E F The distance between point A and plane BCGF is line AB = 6 cm
A B
D C
E F
H G
A cube ABCD.EFGH with edge 6 cm, find the distance between point C to plane BDG
C’
O
The distance between C to plane BDG is CC’
OC = AC2
1
262
1
23
(OG)2 = (OC)2 + (CG)2
22623
= 18 + 36
= 5463OG
See the triangle OCG
The area OCG = 2
CGOC
2
623
The area OCG = 2
'CCOG
2
'63 CC
32' CC
2
623 2
'63 CC
In the cube ABCD.EFGH of edge 9 cm, find the distance from point B to the plane AFC
In the cube ABCD.EFGH of edge 6 cm, find the distance from point A to the plane
BDHF
In the cube ABCD.EFGH of edge 6 cm, find the distance from point B to the plane
EFGH
A pyramid T.ABCD with edge of base square 4 cm and TA = TB = TC = TD = 8 cm. Find the distance from point T to plane ABCD
TASK
In the cube ABCD.EFGH of edge 4 cm, determine the distance from point E to the plane BDG
A pyramid T.ABCD with edge of base square 4 cm and TA = TB = TC = TD = 8 cm. Determine the distance from point T to plane ABCD
QUIZ