1. 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’

2. The distance between point A and plane BCGF is line AB = 6 cm
A cube ABCD.EFGH with edge 6 cm, find the distance between point A to plane BCGF H G
The distance between point A and plane BCGF is line AB = 6 cm E F D C A B

3. The distance between C to plane BDG is CC’
A cube ABCD.EFGH with edge 6 cm, find the distance between point C to plane BDG A B D C E F H G
The distance between C to plane BDG is CC’ C’
OC =
(OG)2 = (OC)2 + (CG)2 O =
= 54
See the triangle OCG
The area OCG =
The area OCG =

4. TASK
In the cube ABCD.EFGH of edge 6 cm, find the distance from point B to the plane EFGH
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 9 cm, find the distance from point B to the plane AFC
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

5. QUIZ
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