In the pyramid as shown in the figure, AB = 9 cm, BC = 12 cm and BD The three face angles at B are each 90°. Calculate the three face angles at A and = 5 cm. %3D %3D the total surface of the solid. D. C В A

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ISBN:9780470458365
Author:Erwin Kreyszig
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In the pyramid as shown in the figure,
5 cm.
3.
АВ %3D 9 ст, ВС
12 cm and BD =
%D
%3D
The three face angles at B are each 90°.
Calculate the three face angles at A and
the total surface of the solid.
D.
C
В
A
Transcribed Image Text:In the pyramid as shown in the figure, 5 cm. 3. АВ %3D 9 ст, ВС 12 cm and BD = %D %3D The three face angles at B are each 90°. Calculate the three face angles at A and the total surface of the solid. D. C В A
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