The measure of AN form the given figure is 2. 5cm. Option D
<h3>How to determine the length</h3>
It is important to note that if from one external point, two tangents are drawn to a circle then they have equal tangent segments.
We have that,
AM ≅ AN
so, if AM measures 2. 5cm
AN measures 2. 5cm
Thus, the measure of AN form the given figure is 2. 5cm. Option D
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<h2>
Answer: 1</h2>
Step-by-step explanation:
Just plug in -2 anywhere you see an <u>a</u>

Answer:


Step-by-step explanation:
Given the system of the equations

solving by elimination method








solve
for
:




Solve
for x:



Therefore,


Answer:
Step-by-step explanation:
12). By applying Pythagoras theorem in the given right triangle,
Hypotenuse² = (Leg 1)² + (Leg 2)²
x² = 7² + 7²
x² = 2(7)²
x = 
x = 
13). By sine rule,
sin(60)° = 

y = 
y = 18
By cosine rule,
cos(60)° = 

x = 
x = 
14). By applying Pythagoras theorem in the given right triangle,
12² = x² + x²
144 = 2x²
72 = x²
x = √72
x = 6√2