Answer:
91 cm to 2 s.f
Explanation:
use Pythagoras = a^2 +b^2 = c^2
substitute: 24^2 + 88^2 = c^2
= 576 + 7744 = c^2
= 8320 =c^2
c = square root of 8320 = 91 to 2 s.f figures
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