Gawain sa Pagkatuto 4: Kopyahin ang mga sumusunod na pamilang na pangungusap. Piliin mula sa Hanay B ang titik ng tamang sagot.
Gawin ito sa iyong kuwaderno.
Hanay A
Hanay B
1.27 + 11 - 19 =
a. 57
C. 19
b. 35
b. 34
a. 32
c. 64
2.33 - 15 + 16 =
a. 61
b. 41
c. 17
3.29 + 10 - 22 =
a. 10
b. 22
C. 48
4.16 - 13 + 19=
a. 16
b. 22
C. 26
5.19 + 24 - 27 =

3. parallelogram

step-by-step explanation:

we turn each of our sides into direction vectors

ab=b-a=(3 - 7, 1 - 0) = (-4, 1)

bc=c-b=(1,6)

cd=d-c=(4,-1)

da=a-d=(-1,-6)

we see how the opposite sides have negated direction vectors; this is characteristic of a parallelogram.   we have congruent sides ab=cd and bc=da with unequal lengths because 1^2+6^2 is different from (-4)^2+1^2.   so it's not a square or a rhombus.  

we check the dot product of direction vectors of adjacent sides.   we have

ab dot bc = -4(1) + 1(6) = 2

that's not zero so the sides are not perpendicular.   we've ruled out rectangle.

the direction vectors indicate two pairs of congruent parallel sides, so we choose parallelogram over trapezoid.

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

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step-by-step explanation: