Geometry Enlargement Questions Answered
Explore how shapes are enlarged by scale factors, determine corresponding lengths, and understand the concept of enlargement in geometry through visual examples and explanations. Enhance your knowledge with practical exercises and solutions.
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1) If this shape is enlarged by a scale factor of 3, what will the corresponding length of ? be? ? 2) The rectangle has been enlarged by a scale factor of 5 Fill in the dimensions of the new shape. 30 cm 6 cm 10 cm 2 cm
1) If this shape is enlarged by a scale factor of 3, what will the corresponding length of ? be? ? 2 3 6 squares 2) The rectangle has been enlarged by a scale factor of 5 Fill in the dimensions of the new shape. 30 cm 6 cm 10 cm 2 cm
Shape B is an enlargement of shape A. What is the scale factor? What is the scale factor? Shape C is an enlargement of shape A. Have a think 2 A 3 6 B 1 2 C
Shape C is an enlargement of shape A. What is the scale factor? 3 A 3 6 B 1 2 9 3 C
Shape B is not an enlargement of shape A A Have a think B I thought shape B was an enlargement of shape A by a scale factor of 2
Shape B is not an enlargement of shape A 3 A 2 6 B 3 4 5 I thought shape B was an enlargement of shape A by a scale factor of 2
Have a go at questions 1 - 3 on the worksheet
These two triangles are similar. The shape is an exact enlargement of the other. The angles are the same size. Corresponding sides are always in the same ratio. B A
These two triangles are similar. Find the length of ? Have a think 1 2 4 7 ? 28 cm 7 cm 16 cm 4 cm 4 cm ___ = 16 cm 4 7 4 14 cm Corresponding sides are always in the same ratio. Find the area of the smaller triangle.
These three rectangles are similar. Have a think Calculate the missing values. 12 cm 4 cm B 6 cm 2 cm A 18 cm C 9 cm
These three rectangles are similar. 12 3 12 ___ = 18 1.5 Calculate the missing values. 12 cm 4 cm B 6 cm 2 cm A 18 cm C 9 cm
This rectangle is enlarged by a scale factor. Have a think 7 cm 5 cm The perimeter of the enlarged rectangle is 120 cm. What is the scale factor of the enlargement? 5 24 ___ = 120 5 7 + 7 + 5 + 5 = 24 cm
Have a go at the rest of the questions on the worksheet
