Glazing workshop

How many m2 of glass are needed for glazing 48 roof arches, which have the shape of an equilateral triangle if the length of the side of the arch was 0.6 m and the height 0.52 m?

Correct answer:

S =  7.488 m2

Step-by-step explanation:

n=48 a=0.6 m h=0.52 m  S1=a h/2=0.6 0.52/2=25039=0.156 m2  S=n S1=48 0.156=7.488 m2

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