Question

The measures of the angles of a triangle are (5x + 10), (3x +15)° and (x+20)
respectively. What type of triangle is it?
(1) Right angled (2) Obtuse angled
(3) Acute angled (4) Isosceles triangle
D
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Answer 1

Answer:

sum of angles =180

so

5x+10+3x+15+x+20=180

9x+45=180

9x=180-45

9x=135

x=135/9

x=15

so

5x+10=5×15+10=85

3x+15=3×15+15=60

x+20=15+20=35

here all angles are less than 90 then it is a acute anled triangle

hope it will help u

Answer 2

Answer:

acute angles

Step-by-step explanation:

hope that was helpful..