9. In an isosceles triangle, each of the base angles is 40°, then the triangle is:
(a) Right-angled triangle
(b) Acute angled triangle
(c) Obtuse angled triangle
(d) Isosceles right-angled triangle
Answers
Answered by
6
Answer:
acute angled triangles
Answered by
2
Answer:
Acute angles triangles
Step-by-step explanation:
One base angle is 40 then another two angles will be 70,70respectively because the totle sum of angles of a triangles are 180. 70+70+40=180. three angles are less than 90 so the triangle is acute angle triangle
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