Quadrilateral 8304

The base of the quadrilateral prism is a diamond, which has diagonals of 7 and 9 cm. The height of the prism is 22 cm. What is the area?

Correct answer:

S =  564.6772 cm2

Step-by-step explanation:

u=7 cm v=9 cm h=22 cm  a=(u/2)2+(v/2)2=(7/2)2+(9/2)25.7009 cm  S1=2u v=27 9=263=31.5 cm2  S2=4 a h=4 5.7009 22=44 130501.6772  S=S2+2 S1=501.6772+2 31.5=564.6772 cm2



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