The base of pyramid P is an isosceles right triangle whose leg is 3. If the height of P is 4, what is the volume of P? Choose the correct choice from the following answers:
A) 36
B) 18
C) 12
D) 8
E) 6
Volume of a pyramid is given by   V=1/3Ah, where A is the area of the triangular base and h is the height of the pyramid.   Area of triangular base = 1/2 * 3*3 = 9/2   So, V = 1/3 * 9/2 *4= 
<gadget id="calculator">1/3 * 9/2 *4</gadget>
<output>6</output>
6   Option 6
<result>E</result>
The base of pyramid P is an isosceles right triangle whose leg is 3. If the height of P is 4, what is the volume of P?