A rectangle has diagonal $17$ cm and width $8$ cm. Find its area. All lengths are in centimetres

Question

A rectangle has diagonal $17$ cm and width $8$ cm. Find its area. All lengths are in centimetres. Give non-exact answers to 3 significant figures unless an exact value is requested. $17\text{ cm}$ $8\text{ cm}$

Accepted Answer

$\text{Area}=15(8)=120\text{ cm}^2$.

Square and rectangle diagonals

Square and rectangle diagonals

Solution:

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