Similar Shapes & Enlargement (Year 9)
Free printable UK Year 9 (Key Stage 3) maths worksheet: find missing lengths and scale factors for similar shapes and enlargements.
✓ Answer key checked by math, never wrong
Grade 8 · Math worksheet
Name
Date
Math
Similar Shapes & Enlargement
Use the scale factor to find missing lengths, or find the scale factor from a pair of similar shapes.
- 1.Shape B is an enlargement of shape A with scale factor 4. A side of shape A is 12 cm. Find the corresponding side of shape B.
- 2.Shape B is an enlargement of shape A with scale factor 4. A side of shape A is 6 cm. Find the corresponding side of shape B.
- 3.Shape B is an enlargement of shape A with scale factor 2. A side of shape A is 9 cm. Find the corresponding side of shape B.
- 4.Shape A has a side of 7 cm. The corresponding side of similar shape B is 14 cm. Find the scale factor of the enlargement from A to B.
- 5.Shape A has a side of 6 cm. The corresponding side of similar shape B is 24 cm. Find the scale factor of the enlargement from A to B.
- 6.Shape A has a side of 5 cm. The corresponding side of similar shape B is 15 cm. Find the scale factor of the enlargement from A to B.
- 7.Shape B is an enlargement of shape A with scale factor 2. A side of shape B is 14 cm. Find the corresponding side of shape A.
- 8.Shape B is an enlargement of shape A with scale factor 2. A side of shape B is 10 cm. Find the corresponding side of shape A.
- 9.Shape A has a perimeter of 26 cm. Shape B is an enlargement of shape A with scale factor 3. Find (a) the perimeter of shape B, and (b) the factor by which the AREA scales.
- 10.Shape A has a perimeter of 28 cm. Shape B is an enlargement of shape A with scale factor 3. Find (a) the perimeter of shape B, and (b) the factor by which the AREA scales.
Made with ChalkBee · chalkbee.com