Put the values of the variables in place of the variables in the expression, then do the arithmetic.
A triangle has 2 angles that each measure 19)
1 answer:
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Answer:
y = ±
Step-by-step explanation:
Given
x = a - 2by² ( add 2by² to both sides )
x + 2by² = a ( subtract x from both sides )
2by² = a - x ( divide both sides by 2b )
y² = ( take the square root of both sides )
y = ±
Answer:
70
Step-by-step explanation:
By exterior angle theorem: