True or false for all real numbers a and b, 2a • b =a^2 +b^2
1 answer:
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Given:
DE = (6x - 9) cm
EF = (4x + 4) cm
LM = 14 cm
MN = 16 cm
To find:
The value of x.
Solution:
<em>If three or more parallel lines intersect two transversals, then they cut off the transversals proportionally.</em>
Do cross multiplication.
Add 144 on both sides.
Subtract 56x from both sides.
Divide by 40 on both sides, we get
The value of x is 5.
