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The problems you missed are listed below with answers and explanations.  Look over the explanation for each problem so you can understand why you missed it!

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'); resetdisplay(); for(var i = 0; i <10; i++) { ganswer[i] = prompt(question[i],""); if (ganswer[i] == "quit" || ganswer[i] == "QUIT" || ganswer[i] == "Quit") { break; } q++; if (ganswer[i] == answer[i]) { c++; } else { rightans[i] = 0; w++; } resetdisplay(); } for(var i = 0; i < 10; i++) { if (rightans[i] == 0) { expl = expl + explain[i]; } } parent.frames[0].document.write(expl); parent.frames[0].document.write("
"); } question[0] = 'Is it possible to have a triangle with side lengths of 1,1,1?'; question[1] = 'Is it possible to have a triangle with side lengths of 4,1,10?'; question[2] = 'Is it possible to have a triangle with side lengths of 1,2,3?'; question[3] = 'Is it possible to have a triangle with side lengths of 3,4,6?'; question[4] = 'Is it possible to have a triangle with side lengths of 8,9,20?'; question[5] = 'Two triangles have 2 congruent sides. One has a larger angle than the other. What else will be larger on this triangle?'; question[6] = 'Two triangles have two congruent sides and two congruent angles. Could one of the triangles be larger?'; question[7] = 'Does the angle size affect the length of the opposite side?'; question[8] = 'On a right triangle which is longer, the leg or the hypotenuse?'; question[9] = 'If two triangles have 2 congruent sides but not a third congruent side, are the angles congruent?'; answer[0] = 'yes'; answer[1] = 'no'; answer[2] = 'no'; answer[3] = 'yes'; answer[4] = 'no'; answer[5] = 'side'; answer[6] = 'no'; answer[7] = 'yes'; answer[8] = 'hypotenuse'; answer[9] = 'no'; explain[0] = '#1

Does every combination of 2 sides add up to equal a greater number than the 3rd side? yes

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Does every combination of 2 sides add up to equal a greater number than the 3rd side? no

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Does every combination of 2 sides add up to equal a greater number than the 3rd side? no

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Does every combination of 2 sides add up to equal a greater number than the 3rd side? yes

'; explain[4] = '#5

Does every combination of 2 sides add up to equal a greater number than the 3rd side? no

'; explain[5] = '#6

Remember that the side length and angle measure go hand in hand. If the 3rd side is larger, than the angle will also be larger.

'; explain[6] = '#7

All it takes to prove congruency is 2 sides and an angle, or 2 angles and a side, so if we have 2 angles and 2 sides equal than the entire triangle is equal.

'; explain[7] = '#8

Angle size affects the length of the opposite side completely. If the angle gets bigger so does the opposite side.

'; explain[8] = '#9

The hypotenuse is the longest side on a right triangle.

'; explain[9] = '#10

If 2 triangles have 2 congruent sides but the 3rd side is not, then one of them has a larger 3rd side. If so, then it also has a larger angle which means that none of the angles are equal.

'; rightans[0] = 1; rightans[1] = 1; rightans[2] = 1; rightans[3] = 1; rightans[4] = 1; rightans[5] = 1; rightans[6] = 1; rightans[7] = 1; rightans[8] = 1; rightans[9] = 1; //-->