slump Dec 1, 2020
Find the area of an equilateral triangle of side (i) 4 cm (ii) 5 cm (iii) 7 cm correct to two places of decimal (Use 3 =1.732).
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Answer:
FORMULA OF EQUILATERAL TRIANGLE FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.732 FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.7321) Side = 4cm FORMULA OF EQUILATERAL TRIANGL Eroot3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.7321) Side = 4cm》1.732/4 × 16 = 6.928 cm FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.7321) Side = 4cm》1.732/4 × 16 = 6.928 cm2) Side = 5cm FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.7321) Side = 4cm》1.732/4 × 16 = 6.928 cm2) Side = 5cm》1.732/4 × 25 = 10.825 cm FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.7321) Side = 4cm》1.732/4 × 16 = 6.928 cm2) Side = 5cm》1.732/4 × 25 = 10.825 cm3) Side = 7cm FORMULA OF EQUILATERAL TRIANGLE root3/4 × (side)^2root3/4×(side) 2 Value of √3 = 1.732Valueof√3=1.7321) Side = 4cm》1.732/4 × 16 = 6.928 cm2) Side = 5cm》1.732/4 × 25 = 10.825 cm3) Side = 7cm》1.732/4 × 49 = 21.217
Lilah Brown Dec 1, 2020
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