Which point is a solution to the system x2 + y2 ≤ 25 and x < y2 – 2?
1 answer:
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Answer:
regular octagon
Step-by-step explanation:
In order for a shape to tessellate a plane, there must be a way to arrange the shapes so that the sum of angles at a node is 360°. An arrangement of kites is shown in the attachment. Of course, squares are used to tile planes all the time, as their four 90° corners fit together nicely.
An octagon has internal angles of 135°, which is not a sub-multiple of 360°. Hence there is no way for octagons to fit together to tile a plane.
Octagons will not tessellate a plane.
Answer:
a = 2
Step-by-step explanation:
Given equation:
now,
considering the LHS
⇒
or
⇒
or
⇒
now,
substituting the result in the original equation, we get
⇒
or
⇒ 2a =
or
⇒ 2a = 4
or
a = 2