Verify the identity.
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What will be an ideal response?
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Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. If PT is tangent to circle O at point T, then OPT may be an acute triangle. 2. The point of intersection of the perpendicular bisectors of the sides of any triangle is the center of the circumscribed circle. 3. The center of gravity of a triangle is called the orthocenter. 4. The center of the inscribed circle of a triangle is found by constructing the bisectors of the angles of the triangle.
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Find symmetric equations of the normal line to the surface 
at the point 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
The center of gravity of a triangle is called the orthocenter
Indicate whether the statement is true or false