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VABCD is a solid pyramid.
D
20 cm
B
ABCD is a square of side 20 cm.
The angle between any sloping edge and the plane ABCD is 55°
Calculate the surface area of the pyramid
Give your answer correct to 2 significant figures.

VABCD Is A Solid Pyramid D 20 Cm B ABCD Is A Square Of Side 20 Cm The Angle Between Any Sloping Edge And The Plane ABCD Is 55 Calculate The Surface Area Of The class=

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