Answer:
D.) obtuse scalene triangle
Step-by-step explanation:
acute triangle: 3 acute angles
right triangle: 1 right angle, 2 acute angles
obtuse triangle: 1 obtuse angle, 2 acute angles
scalene triangle: no congruent sides
isosceles triangle: 2 congruent sides
equilateral triangle: 3 congruent sides
The question is:
"What type of triangle has <em>no congruent sides</em> and <u>one angle that has a measure greater than 90° but less than 180°</u>?"
That means <em>scalene</em> and <u>obtuse</u>.
Answer: D.) obtuse scalene triangle
