jess200284 jess200284

18-11-2020
Mathematics

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An isosceles right-angled triangle is shown.
The area of the triangle is 200 cm?.
Work out the value of x.

An isosceles rightangled triangle is shown The area of the triangle is 200 cm Work out the value of x class=

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18-11-2020

Answer:

[tex]\boxed{x=4}[/tex]

Step-by-step explanation:

Area of triangle = 0.5 × Base × Height

→ Substitute in the values

200 = 0.5 × 5x × 5x

→ Simplify

200 = 12.5x²

→ Divide both sides by 12.5

16 = x²

→ Square root both sides

4 = x ∴ x = 4

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