23. A ABC - a PQR. A ABC D - 225 cm =.ana
PQR yra
IR A ABC-A PQR, area of S ABC = 225 cm and then the area of a
POR
A) 9 cm
B) 45 cm
C) 81 a
D)100 cm
Answers
Answered by
0
Step-by-step explanation:
ar(PQR)
ar(ABC)
=
6.25
2.25
In two similar triangles, the ratio of their areas is the square of the ratio of their sides
⇒(
PQ
AB
)
2
=
625
225
⇒
PQ
AB
=
25
15
⇒
0.5
AB
=
5
3
⇒AB=0.3m
⇒AB=0.3×100=30cm
Hope this will help you
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