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Dino made a wooden square pyramid with each face 60 cm² in area and with a base whose side is 10 cm. he wants to varnish its outer faces. Find the area that he should cover with varnish.

Sagot :

No. Of lateral faces of the pyramid 4. Area of the base = 10^2 = 100 cm^2... total area = total lateral area + base area = (4)(60)+100=340 cm^2... answer 340 cm^2