Stewart Huff
06/25/2024 · Elementary School
1. The figure shows \( \triangle S T R \) and point \( P \) on a grid. 1.1 Copy the figure and use \( P \) as the centre of enlargement with a scale factor of 3 to enlarge \( \triangle S T R \). Name the image \( \triangle S T R \) ' Find the lengths of \( S^{\prime} T \) and \( S T \) in surd form. 1.3 Write down the ratio STT : ST in its simplest form. Compare the ratio in Question 1.3 to the scale factor.
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To find the lengths \( S'T' \) and \( ST \), use the distance formula with the coordinates of the points \( S, T, R, \) and \( P \). The ratio \( S'T' : ST \) should be 3:1, matching the scale factor of the enlargement.
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