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Step-by-step explanation:
step 1. sinA = 5/8
step 2. A = sin^(-1)(5/8) = 38.68°
Hypotenuse²= (4x)²+ x²=16x²+x²=17x²
Hypotenuse=√(17x²)= x√17
To find perimeter, we need to add all sides
P=x+4x+ x√17 =5x+x√17 =x(5+√17)
Answer:
8x² - 6x + 1 = 0
Step-by-step explanation:
Quadratic:
x² - (sum)x + product = 0
x² - ¾x + ⅛ = 0
To avoid fractions, multiply by 8
8x² - 6x + 1 = 0
x = ½ and ¼
