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The answer is 129.13 is your answer. Remember, t<span>he perimeter of the base is 4s since it is a square. There is no formula for a </span>surface area<span> of a non-regular </span>pyramid<span> since slant height is not defined. To </span>find<span> the </span>area<span>, </span>find<span> the </span>area<span> of each face and the </span>area<span> of the base and add them.</span>
Answer:

Step-by-step explanation:
Let me know if that is not the same equation you wrote and if you have any questions !!
is the study of algebraic equations on graphs
An example of the coordinate geometry is plotting point,lines and curves on
an x & Y axis thanks
Answer:
d = 7
Step-by-step explanation:
The nth term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Give a₁₀ = 67 and a₁ = 4 , then
a₁ + 9d = 67
4 + 9d = 67 ( subtract 4 from both sides )
9d = 63 ( divide both sides by 9 )
d = 7