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  1. v ∝ hb² v = khb², where k = constant of proportionality 288 = k(6)(12)² k = (1/3) So, v = (1/3)hb² Now, when h = 3 and b = 10, v = (1/3)(3)(10)² = 100

    1 Answers · Science & Mathematics · 01/12/2009

  2. ... is right Thus Pythagore says : OH² + HB² = OB² or R² + HB² = (R + h)² = R²...

    1 Answers · Science & Mathematics · 20/02/2008

  3. ...triangle is right at the point H. You can write: x² = HB² + HC² → where: HB = HA + AB x² = [HA...

    3 Answers · Science & Mathematics · 04/11/2014

  4. ...rectangle. Area of ||gram = 1/2(xh) + yh + 1/2(xh) = xh + yh = h(x+y) = hb1 = hb2, since b1 = b2 = x+y Now, if we flip the triangle on the right over, so...

    2 Answers · Science & Mathematics · 12/02/2008

  5. ...3/6 ==> AB² = 3c²/36 = c²/12 HB = c√3/2 ==> HB² = 3c²/4 AH = ? Pythagoras again HB² = AB²...

    1 Answers · Science & Mathematics · 09/05/2012

  6. (hb1+hb2)/2

    1 Answers · Science & Mathematics · 21/05/2013

  7. A= 1/2 h(b1 + b2) 2A = h(b1 + b2) 2A = hb1 + hb2 2A - hb2 = hb1 ..........2A - hb2 b1 = ----------------- answer// ..............h

    5 Answers · Science & Mathematics · 10/05/2012

  8. Expand A=1/2hb1+1/2hb2 Subtract 1/2hb1 1/2hb2=A-1/2hb1 Multiply by 2 hb2=2A-hb1 divide by h b2=2A/h-b1

    3 Answers · Science & Mathematics · 30/08/2008

  9. Presentation !! A = (1/2) * h[b1 + b2] clear the denominator...multiply by 2 2A = h(b1 + b2) distribute... 2A = hb1 + hb2 hb1 = 2A - hb2 b1 = (2A - hb2)/h archimedes

    3 Answers · Science & Mathematics · 09/01/2014

  10. ...base with height of h and base of b. So its volume is V = hb². From the question h + 4b = 108 So h = 108-4b Sub this back...

    2 Answers · Science & Mathematics · 25/11/2007

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