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Chapter 3: Q4 (page 96)

Complete each statement with the words always, sometimes or never.

If a triangle is obtuse then it is isosceles.

Short Answer

Expert verified

If a triangle is obtuse, then it is sometimes isosceles.

Step by step solution

01

Step 1. Types of Triangles

Triangles are of three types if length of the sides is taken into consideration, that is, scalene triangle, isosceles triangle, and equilateral triangle.

02

Step 2. State the explanation

Isosceles triangle has two at least two congruent sides where as an obtuse triangle has an obtuse angle (an angle greater than 90°) but it can have two congruent sides.

03

Step 3. Conclusion

If a triangle is obtuse, then it is sometimes isosceles.

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