Answer:
Step-by-step explanation:
we are given <u><em>a right triangle</em></u>.
then
In order to determine x we need to use
the Pythagorean theorem:
⇔ x² + 64 = 576
⇔ x² = 576 - 64
⇔ x² = 512
⇔ x² = 2⁹
⇔ x² = 2 × 2⁸
22.6
a^2+b^2=c^2
8^2+b^2=24^2
b^2=512
b=22.6