Tent

Pyramid-shaped tent has a base square with a side length of 2 m and a height 1.7 m. How many meters of canvas is nneded to make it if for a waste should be added 10%?

Result

S =  8.7 m2

Solution:

v12=1.72+(2/2)2 v1=1.97 m S1=av1/2=21.97/2=1.97  S=4(1+10/100)S1=8.7 m2v_1^2 = 1.7^2 + (2/2)^2 \ \\ v_1 = 1.97 \ m \ \\ S_1 = a v_1/2 = 2 \cdot 1.97 / 2 = 1.97 \ \\ \ \\ S = 4\cdot (1+10/100) S_1 = 8.7 \ m^2



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