<span>Use percentages to display data
Hope this helps.
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Answer:
B
Step-by-step explanation:
<span>arccos (cos pi/2)=?
</span>cos pi/2=0, arccos (0)=?, we know that cos pi/2=0, so cos^-1 (o)= Pi/2, but cos^-1 (o)=arccos (0), so arccos (cos pi/2)=Pi/2
Answer:
Solution given:
b=9 base side of isosceles triangle
a=
Muitply by two on both sides then subtract then divide to find x