Question

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Answer 1

Answer:

acute angled triangle

Step-by-step explanation:

5x + 6x + 7x = 180

because , all angles of a triangle are equal to 180

so , 18x = 180

x = 180 / 18

x = 10

so , the angles are 5 × 10 = 50

6 × 10 = 60

7 × 10 = 70

so , all angles are below 90 degree

so , this is acute angled triangle