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mote1985 [20]
3 years ago
12

A triangle has angle measurements of 89°, 78°, and 13°. What kind of triangle is it?

Mathematics
2 answers:
amid [387]3 years ago
4 0

Answer:

acute triangle

Step-by-step explanation:

For an acute, the angles should be less than 90°

right should be equal to 90°

obtuse, angles should be less than 180 but greater than 90

koban [17]3 years ago
4 0

Answer:

3. acute

Step-by-step explanation:

The triangle is an acute angle as all its measures are less than (<) 90°.

89° < 90°

78° < 90°

13° < 90°

=》Triangle → c. acute

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