Solve similar triangles (advanced)
1 answer:
Answer:
Step-by-step explanation:
There are 2 similar triangles.
EDA and CBA
From that we can get the following proportion.
ED / CB = AD / AB
Filling in the letters we get
6/x = (4 + 3)/3 Combine
6/x = 7/3 Cross Multiply
7x =6*3
7x = 18 Divide by 7
x = 2.57
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Square root it to cancel out the 2
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Answer:
2(2x+5)
Step-by-step explanation:
Length of the rectangle=l= 3x
Breadth of the rectangle=b= 5
Perimeter= 2(l+b)
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Dog No dog Total
Cat 31 10 41
No cat 24 7 31
Total 55 17 144
Answer:do u have the answer
Step-by-step explanation:
