Answer:
Common difference:11
first term: 5
sum of the first 20 terms= 84
Step-by-step explanation:
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(4x-8x)/2=-2x
4x -(8x/2)=zero
Answer:
<u>∠IJG = 123° </u>
Step-by-step explanation:
Since AB║CD, EF ║GH, we can use the Corresponding Angles Postulate, for finding the following congruent angles:
∠IKL ≅ ∠EIJ and ∠EIJ ≅ ∠GJA
∠GJA and ∠IJG are supplementary, therefore:
∠GJA + ∠IJG = 180°
∠IJG = 180° - 57°
<u>∠IJG = 123°</u>
Parallel to a rectangular face should still be a rectangular face
the only way you get a shape other than a rectangle is if you cut like a corner off or diagonally
Answer: 8-x•x=20
Step-by-step explanation: i’m not sure if this is the answer sorry if it’s wrong!
