Consider the two given triangles.
What scale factor is used to enlarge the small triangle?
What scale factor is used to reduce the large triangle?
What is the area of the small triangle?
What is the area of the large triangle?
What is the enlargement factor for the area of the small triangle?
A square with area $4$4 cm2 has its side lengths enlarged by a factor of $3$3.
A triangle has side lengths of $7$7 cm, $10$10 cm and $16$16 cm. A similar triangle to it has $9$9 times the area of the first triangle.
Find the value of $x$x in each of the following cases: