a square and an equilateral triangle have a side in common. if a side of the triangle is 15 mm long, find the perimeter of the figure given alongside in cm
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side of equilateral triangle=15mm
side of square would be the same
so perimeter of the figure will include=15mm*6=90mm as square has 4 sides and triangle has 3 but one side is common to both
90mm=0.9cm
Step-by-step explanation:
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