Question

Practice Set 48
In the figures below, find the value of 'x'. ​

Answer 1

$\huge \sf x = 15$

Answer 2

Answer:

So this is a Pythagoras question.

EF² = FD²+ ED²

17² = 8² + ED²

∴ED² = 17² - 8²

ED² = 289 - 64

ED = √225

ED = 15

Step-by-step explanation:

Use the pythagoras theorem: a² + b² = c²

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