Congruence and Similarity

Hong Kong

Stage 1 - Stage 3

Find the area scale factor for each of the following linear scale factors:

a

Linear Scale Factor $=$=$10$10.

b

Linear Scale Factor $=$=$\frac{3}{10}$310.

c

Linear Scale Factor $=$=$\frac{1}{3}$13.

Easy

Approx 2 minutes

Find the value of $x$`x` in each of the following cases:

The corresponding sides of two similar triangles are $8$8 cm and $40$40 cm. If the area of the smaller triangle is $24$24 cm^{2}. Find $A$`A` the area of the larger triangle.

A square of side length $6$6 cm is enlarged using the scale factor $3$3. Find the area of the enlarged square.

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