i need help finding area of triangles

label Mathematics
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Sep 11th, 2015

Thank you for the opportunity to help you with your question!

a = 8*3+ 5*3 = 39

b= area of shaded region = 24*12 -8*4 

=288-32

=256

c.(2x+5)(x+4)

expanding = 2x(x+4) +5(x+4)

 =2x^2 +8x+5x+20

=2x^2+13x+ 20

d) 27 * 6 + 18 * 6 +9 *6

=(27+18+9)6

=54*6

=324

e) area of shaded region = 1/2 *14*5 = 35

f) 1/2 b* h

=1/2 *5 *14 = 35


Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 11th, 2015

Areaof triangle = 1/2 base * perpendicular height

Sep 11th, 2015

i need clarification for letter c please

Sep 11th, 2015

i need clarification for letter c please

Sep 11th, 2015

would the area for c be 2x^2+11x+12

Sep 11th, 2015

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Sep 11th, 2015
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