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Mathematics 18 Online
OpenStudy (anonymous):

The value of x would be? Select one: a. 2 b. 4 c. 8 d. 21

OpenStudy (anonymous):

OpenStudy (anonymous):

im guessing its b ... am i correct ?

OpenStudy (anonymous):

yeah you could be right hold on

OpenStudy (anonymous):

yeah i think you are

OpenStudy (anonymous):

The diagonals of an isosceles trapezoid are 3x + 7 and 5x – 11. What is the value of x? Select one: a. 3 b. 5 c. 7 d. 9

OpenStudy (anonymous):

im guessing its d ... ?

OpenStudy (anonymous):

here is what you do for your first one: 5x+7=3x+11 5x-3x=11-7 (subtract 3x from both sides; subtract 7 from both sides) 2x=4 (divide each side by 2)

OpenStudy (anonymous):

so yeah d

OpenStudy (anonymous):

you have any other questions ?

OpenStudy (anonymous):

What is the difference between a trapezoid and an isosceles trapezoid? Select one: a. A trapezoid has 2 parallel bases and congruent legs while an isosceles trapezoid only has one pair of parallel sides. b. A trapezoid has one pair of parallel sides and the base angles are congruent, while an isosceles trapezoid has one pair of parallel sides, the legs, and the diagonals are congruent. c. A trapezoid has one pair of parallel sides and the diagonals are congruent, while an isosceles trapezoid has one pair of parallel sides, the legs, and each pair of base angles are congruent. d. A trapezoid has one pair of parallel sides while an isosceles trapezoid has one pair of parallel sides, the legs, the diagonals, and each pair of base angles are congruent.

OpenStudy (anonymous):

A trapezoid is a 4-sided flat shape with straight sides that has a pair of opposite sides parallel. Called an Isosceles trapezoid when the sides that aren't parallel are equal in length and both angles coming from a parallel side are equal. HOPE THAT HELPES

OpenStudy (anonymous):

ANY OTHER QUESTIONS ?

OpenStudy (anonymous):

If the measure of a pair of base angles of an isosceles trapezoid is 120 degrees each, what are the measurements of the other two angles? Select one: a. 30 b. 60 c. 90 d. 120

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