4. Use a proportion to find the length of the missing side in the following similar figures. (1 point)
1 answer:
Answer:
x = 19cm
Step-by-step explanation:
use pythagorean theorem:
a² - c² = b²
10² - 22² = b²
100 - 484 = b²
384 = b²
√384 = b
19cm = b or x
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