Question

question 1 of 10
classify the following triangle as acute, obtuse, or right.
a. acute
b. obtuse
c. right
d. none of these

Explanation:

Step1: Recall angle - type definitions

An acute - angled triangle has all angles less than 90°. A right - angled triangle has one angle equal to 90°. An obtuse - angled triangle has one angle greater than 90°.

Step2: Analyze given angles

The given angles of the triangle are 70°, 55°, and 55°. All of these angles are less than 90°.

Answer:

A. Acute