10. Using the side lengths, determine whether the triangle is acute, obtuse, or right.
1 answer:
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Answer:
Either, , -0.75, or 4x = -3!
Step-by-step explanation:
Answer:
m∠8 = 49°
Step-by-step explanation:
∠7 and ∠8 are same-side interior angles.
Remember, same-side interior angles are supplementary. This means that the sum of the angles is 180°.
Let's use the variable 'x' to represent the unknown measure of angle ∠8.
(cancels itself out)
Therefore, the measure of ∠8 is 49°.
