Answer:
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Step-by-step explanation:
Answer:
GHF = EDF
Step-by-step explanation:
Those two tringles are the only even triangles.
Answer:
x = - 9, x = 6
Step-by-step explanation:
Given
x² + 3x - 54
To find the solutions equate to zero
x² + 3x - 54 = 0 ← in standard form
(x + 9)(x - 6) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 9 = 0 ⇒ x = - 9
x - 6 = 0 ⇒ x = 6
This will be an obtuse angled triangle because one angle is greater than 90 degrees.