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gtnhenbr [62]
3 years ago
9

Work out the lengths of sides a and b. Give your answers to 1 decimal place. 8 cm 5 cm

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
3 0

Answer:

Step-by-step explanation:

a = \sqrt{8^{2} + 5^{2}} = \sqrt{64+25} = \sqrt{99} = 9.9

b = \sqrt{17^{2} - 12^{2}} = \sqrt{289-144} = \sqrt{145} = 12

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