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Question Number 216106 by mr W last updated on 27/Jan/25

Commented by mr W last updated on 27/Jan/25

$$threesquareswithsidelengthes$$$$a,b,crespectively.$$$$findtheareaoftheredtriangle.$$

Answered by A5T last updated on 27/Jan/25

$$\left[\mathrm{Red}\right]=\frac{(\mathrm{a}+\mathrm{c})(\mathrm{a}+\mathrm{b}+\mathrm{c})}{2}-\frac{{\mathrm{a}}^2}{2}-\frac{(\mathrm{b}+\mathrm{c})\mathrm{c}}{2}=\frac{\mathrm{a}(\mathrm{b}+2\mathrm{c})}{2}$$

Commented by mr W last updated on 27/Jan/25

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Answered by mr W last updated on 27/Jan/25

Commented by mr W last updated on 27/Jan/25

$$redarea=hatchedarea=\frac{a(b+2c)}{2}$$

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