asked 133k views
23 votes
What is the value of a?

asked
User Kasperhj
by
9.0k points

1 Answer

4 votes

Answer: In right triangle XZW, the height WY is the geometric mean of segments ZY and XY.

Hence,

4^2=3 x a,

a=16/3 un.

answered
User Duane Lortie
by
7.9k points

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