Question

Only 6b.How do we solve this..?????​

Answer 1

this is the diagram of an equilateral triangle in equilateral triangle of side equal hence the perimeter is 12 + 12 + 12 equal to 48 cm

area is equal to ✓3/4* a ²

here a is 12 and a*a is 144*✓3/4

is equal to 62.35 cm²

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