Question

Someone please fill in the blanks

Answer 1

Option B

Explanation:

Scale factor by which the triangle ABC has been dilated to form the image triangle DEF,

Scale factor =
`\frac{\text{Dimension of image triangle}}{\text{Dimension of the original triangle}}`

=
`(EF)/(BC)`

=
`(1)/(2)`

Therefore, Option B will be the correct option.