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PLZ SOMEONE SOLVE THESE LAST 4 QUESTIONS , FROM SQUARE ROOTS CLASS 8, GIVING 20 points |
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Answer» -step explanation:6) area of the square = 441 m² THEREFORE , SIDE of the square = √ 441 = 21 m7a) ab =6 cm and BC = 8cmfrom Pythagoras theorem , h²= p²+ b²therefore , h²= 6²+8² h= √6²+8² = √ 100 = 10 cmb) ac = 13 cm and BC = 5cm from Pythagoras theorem ,h²= p²+ b²therefore p² = h²-b²p= √13²-5²=√144= 12 cm8) the no. of extra plants needed for this would be 24 .9) 5 children would be left out in this arrangement . |
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