Question

the triangle of two similar triangles are ABC and DEF are 36 cm and 31 cm respectively. if EF 6.9 cm determine BC​

Answer 1

Answer:

Since the triangles are similar .

ar(ΔDEF)

ar(ΔABC)

=(

EF

BC

)

2

81

36

=(

6.9

BC

)

2

9

6

=

6.9

BC

BC=

9

6

×6.9=4.6cm

Answer 2

Answer:

triangle 36 CM CM and 3170 respectively