The correct answer is d=45 :)
Answer: I would love to help you but I am confused on what you mean by the question.
Step-by-step explanation:
4. all for angles need to equal 360
90 +90 + 42 = 222
360-222 = 138
y = 138 degrees
x - 42 degrees
6. x = arctan(8/4) = 63.43 degrees ( round as needed)
y = 16 / tan(63) = 8.15 ( round as needed)
Answer:
4[1/2(5 x 6)] + 6x6
Step-by-step explanation:
The first part of the expression is <em>4[1/2(5 x 6)].</em> This is the formula to find the surface area of the triangles. A regular triangle's area is <em>1/2(l*w).</em> Since there are four trinagles, you have to multiply the whole expression by 4.
The second part of the equation is finding the surface area of the base which is a square. Since squares have four equal sides, its safe to say that you can use <em>6 * 6.</em>
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Hope that helped!
