Question

if area of triangle is 13 square units find the area of triangle whose vertices are mid points of the sides of previous triangle​

Answer 1

Step-by-step explanation:

since D,E and F are the midpoints of AB, BC and CA of triangle respectively

coordinate of D=(1,0)

coordinate of E=(1,2)

coordinate of F=(0,1)

∴ar(△DEF)=

1/2 [1(2−1)+1(1−0)+0(0−2)]=1sq.unit

andar(△ABC)=

1/2 [0(1−3)+2(3+1)+0(−1−1)]=4sq.unit

ar(△ABC)

ar(△DEF)

=

4

1

⇒ar(△DEF):ar(△ABC)=1:4

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Answer 2

Answer:

Here is your answer

Step-by-step explanation:

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