STEP 1: find diagonal d2
To find diagonal d2 use formula:
A=2d1⋅d2After substituting A=30cm and d1=6.93cm we have:
30cm=26.93cm⋅d230cm⋅2=6.93cm⋅d260cm=6.93cm⋅d2d2=6.93cm60cmd2=8.658 STEP 2: find side a
To find side a use formula:
d12+d22=4⋅a2After substituting d1=6.93cm and d2=8.658cm0 we have:
(6.93cm)2+8.658=4⋅a2 48.0249cm2+74.9611=4⋅a2 4⋅a2=122.986cm2 a2=4122.986cm2 a2=30.7465cm2 a=30.7465cm2a=5.545cm
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