Asked by Katniss Everdeen
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the perimeter of a lateral face is 27.5 cm
Answers
Answered by
bobpursley
each of the base sides is 7.5cm if it is regular.
The perimeter of a lateral face less the base is 20cm
So the perimeter of the edges on the faces is 40 cm, plus the base perimeter, total perimeter is 70cm
The perimeter of a lateral face less the base is 20cm
So the perimeter of the edges on the faces is 40 cm, plus the base perimeter, total perimeter is 70cm
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