Answer:
x = ± 15
Step-by-step explanation:
Given
x² = 225 ( take the square root of both sides )
x = ± = ± 15
That is x = - 15 0r x = 15
DE/ 120 = 45/360
DE = 120 * 45 /360
DE = 15
Answer
B. 15 cm
c.
The answer is 95