• 2021 April(Z04) Math Question 48

    Perimeter, Area, Volume

    - Triangles, Squares, Rectangles, Circles

    Area of Triangle
    Choice G

    Given that

    M(2a,5b),  N(4a,9b),  P(6a,5b)  and  Q(4a,0)M(2a,5b),\; N(4a,9b),\; P(6a,5b)\; and \; Q(4a,0)

    So:

    base=MP=6a−2a=4abase=MP=6a-2a=4a
    height=5aheight =5a
    Area={1}{2}×base×heightArea=\frac\{1\}\{2\}\times base\times height
    Area={1}{2}×4a×5bArea=\frac\{1\}\{2\}\times 4a\times 5b
    Area=10abArea=10ab

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