Here is your answer

REASON :
AB//CD
So,
/_A=/_D ... (alternate int. angles)
/_B=/_C ... (alt. int. angles)
So,
Tri.ABE~Tri.DCE... (by AA similarity)
Therefore,
Corresponding sides are proportional
i.e.





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Answer:
Scale factor is 3
Step-by-step explanation:
The distance in A and B is 2
The distance in A' and B' is 6
6/2=3
Answer:
B
Step-by-step explanation:
To calculate the area of this triangle we can use the Heron’s formula
Mathematically we have the Heron’s formula as;
A = √s(s-a)(s-b)(s-c)
where s = (a + b + c)/2
Thus, s = (15 + 12+ 10)/2 = 18.5
a = 15, b = 12 and c = 10
Plugging these values into the equation, we have
√18.5(18.5-15)(18.5-12)(18.5-10)
= √18.5(3.5)(6.5)(8.5)
= √ 3,577.4375
A = 59.8116
which is approximately 59.8 square units