What type of triangle is defined by the following set of side lengths 11, 9 , 7
Question 4 options:
Acute
Obtuse
Right
Not a triangle

not a triangle it is something esla

Step-by-step explanation:

it looks like a triangle but it is not it is called a Nonigon

answer: sensy

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629