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Andreyy89
2 years ago
5

Regular quadrilateral pyramid with base edge b=55mm and lateral edge l=7 cm. Find the sum of all edges

Mathematics
1 answer:
olga55 [171]2 years ago
3 0

Answer:

50cm or 500 mm

Step-by-step explanation:

A quadrilateral is a four sided figure. So, the base of the quadrilateral pyramid has four sides. It also has 4 edges and 4 bases

sum of edges = sum of base edges + sum of lateral edges

1cm = 10mm

55mm = 5.5cm

sum of base edges : 5.5 x 4 = 22cm

sum of lateral edges : 7 x 4 = 28 cm

22 + 28 = 50 cm or 500mm

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