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saveliy_v [14]
3 years ago
7

Anja is creating a triangle using three straws. The two shorter straws have lengths of 20 cm and 21 cm. How long, in centimeters

, should the third straw be for Anja to create a right triangle?
Mathematics
1 answer:
Digiron [165]3 years ago
3 0
A^2 + b^2 = c^2...a and b are the legs and c is the hypotenuse
20^2 + 21^2 = c^2
400 + 441 = c^2
841 = c^2
sqrt 841 = c
29 = c <== third straw will be 29 cm
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