If <a=90 or <b=90 or < c=90 the triangle is right
if one of the angles is > 90 the triangle is obtuse
if all the angles are < 90 the triangle is acute
I forgot that but good luck
The right answer is Option A:
Step-by-step explanation:
Given expression is;

We will solve this expression for x, therefore,
Multiplying both sides by r

Subtracting t from both sides

Dividing both sides by 2

The right answer is Option A:
Keywords: subtraction, division
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