For every 5 coins Cameron gets, she gives 2 coins to her brother Frankie. If Cameron has 9 coins, how many does Frankie have?
1 answer:
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a) Area of rhombus = ½ * (diagonal1)*(diagonal 2)
Let diagonal (D2 )= longer diagonal = 15 and diagonal (D1) = shorter diagonal
90 = ½ (D1)*15
90 = 7.5 D1
Now divide both side by 7.5
90/7.5 = d1
D1= 12 units.
b) Area of rhombus = ½ * (diagonal1)*(diagonal 2)
Let the ratio be
Diagonal 1=
Diagonal 2=
147 = ½ *
Multiply both side by 2
294 =
294 = 6
Divide both side by 6
294/6 = 6/6
49 =
= 7 unit
You have to use this equation the a=5, h=4 and b=9 and you should get the answer of 28
