Question

18. What is the area of an equilateral triangle whose side measures 20 cm. (Take V3 = 1.73)​

Answer 1

Answer:

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Answer 2

Answer:

The area of equilateral triangle is √3/4 × (side)square

given side = 20cm

√3/4 ×20×20

√3× 100

value of √3 is 1.73

Now, 1.73 × 100= 173.00

Area of triangle is 173cm square.