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2. One angle measure in an obtuse isosceles triangle is 40°. What is the measure of one of the other angles?
100°
3. What type of triangle can an isosceles triangle be?
right
acute
obtuse
4. Two angle measures in a triangle are 47° and 43°. What type of triangle is it?
right
5. Two angle measures in a scalene triangle are 77° and 62°. What is the measure of the third angle?
41°
6. Which quadrilaterals do not have parallel sides?
quadrilateral
7. Which quadrilaterals always have four congruent sides?
rhombus
square
8. A rectangle is sometimes a rhombus.
9. What is the measure of 1?
92°
10. What is the sum of the measures of 1 and 2?
236°
11. What is the perimeter of the parallelogram?
12 cm
12. What side in the second quadrilateral corresponds to ?
JM
13. What angle in the first quadrilateral corresponds to J?
A
14. The triangles are isosceles and ΔABC : ΔJKL. What is the length of J to L ?
8cm
15.ABCD and JKLM are similar rectangles. What is the perimeter of JKLM?
21 m
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