Question

1. The area of an equilateral triangle with side 273 cm is a. 1.732 cm2 b. 5.196 cm2 C. 0.866 cm2 d. 3.496 cm2​

Answer 1

Answer:

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Step-by-step explanation:

(a) Given, side of an equilateral triangle is 2√3 cm.

Area of an equilateral triangle = √3/4 (Side)2

= √3/4 (2√3)2 = (√3/4) x 4 x 3

= 3√3 = 3 x 1.732 = 5.196 cm2

Hence, the area of an equilateral triangle is 5.196 cm2.

Answer 2

Answer:

Write the numbers using commas according to International system of numeration 1,97645315. 2,20048421. 3,476356. 4,9490026834