OR A square pyramid and its net are shown below. What is the surface area of the pyramid?
5
17 cm
17 cm
15 cm
. 15 cm
16 cm
16 cm
W
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Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.

Similarly fie each expression 18,19,20