GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Length - Explained

The video tutorial explains how to solve a geometry problem involving a straight line ABC, where the length of AB is five times that of BC, and the total length of AC is 90 cm. The solution involves understanding and applying the concept of ratios to divide the total length into parts, calculating the length of AB, and discussing the allocation of marks for each step. An alternative method is also briefly discussed.

What is the length of segment A to C?

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If A to B is 5 times longer than BC, how would you express the relationship between these lengths?

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Explain the method used to share 90 centimeters in the ratio of 5 to 1.

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How do you calculate the length of A to B using the ratio of lengths?

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What alternative method could be used to find the lengths of segments A to B and B to C?

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