Given:
In triangle
.
To find:
The value of y.
Solution:
In a right angle triangle,

In triangle BGU,



Isolating y, we get



Therefore, the correct option is A.
X = 1/5 ÷ 3/4
x = 1/5 × 4/3
x = 4/15
the answer is C
Expanda el polinomio usando el método FOIL.
x
2
−
9
x
+
18
x
2
-
9
x
+
18