Solve 3XX +25 = 4XX -10
2 answers:
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1. Remove the parenthesis using the next rules:
2. Start to remove the parentheses from the center to the edges:
Answer:
x ≈ 10.7 ft.
Step-by-step explanation:
Given triangle in the picture is a right triangle.
By applying Pythagoras Theorem in this triangle.
(Hypotenuse)² = (Leg 1)² + (Leg2)²
(14)² = x² + 9²
x² = (14)² - 9²
x = 10.72
x ≈ 10.7 ft.