Mathematics
Kathie147
2015-11-01 09:51:51
A square stained glass window is divided into four congruent triangular sections by iron edging to represent the seasons of the year. Each diagonal of the square window measures 9 inches. What is the approximate total length of iron edging needed to create the square frame and the two diagonals? 43.5 inches 50.9 inches 54.0 inches 61.5 inches
ANSWERS
Maryam805
2015-11-01 12:32:43

using the pythagoras theorem if the length of each side of the square is x: 2x^2 = 9^2 = 81 x = sqrt40.5 = 6.364 in so  the total of iron strip needed = 4*6.364 + 2*9 =  43.5 ins  to nearest tenth 

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