Answer:
10
Step-by-step explanation:
Given is an isosceles triangle and so:
3x + 20 = 5x export like terms to the same side of the equation
20 = 5x - 3x
20 = 2x divide both sides by 2
10 = x
Answer:
Step-by-step explanation:
Answer:
4x + 20 ------------ Expression
4x + 20 > 40 ------------- Inequality
4x + 20 = 40-------------Equation
Answer:
Step-by-step explanation:
Use the Pythagorean Theorem twise [first time for the <em>reflexive </em><em>edge</em> and the second time for the <em>longer leg</em> of the other triangle]:
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