The sides of triangle are 3cm,4cm and 5cm.The area of the triangle formed by joining the mid points of this triangle is
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41
Answer:
3/2 is the correct answer
Step-by-step explanation:
∵3/2+4/2=52
△ABC is a right angled triangle
area of (△ABC) =1/2×AB×BC
=1/2×3×4=6cm2
∴ Required Area of
(△DEF)=1/4×6=3/2cm2
Anonymous:
hey mate mark me as brainliest because i am solving your query
we multiply to 1/4 because there is a theorem that the triangle formed by joining the mid points is 1/4 of the total triangle.....
Answered by
36
(3)2+(4)2 =(5)2
ΔABC is right angle triangle
area of (ΔABC)
= 1/2 x a b x b c
=1/2 x 3 x 4 =6cm2
required area of
(Δdef)= 1/4 x 6 =3/2 cm2
ΔABC is right angle triangle
area of (ΔABC)
= 1/2 x a b x b c
=1/2 x 3 x 4 =6cm2
required area of
(Δdef)= 1/4 x 6 =3/2 cm2
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