2. Get a referral for physiotherapy. If your back pain is recurring (chronic) and caused by weak spinal muscles, poor posture or degenerative conditions such as osteoarthritis, then you need to consider some form of rehabilitation.. Get a referral for physiotherapy. If your back pain is recurring (chronic) and caused by weak spinal muscles, poor posture or degenerative conditions such as osteoarthritis, then you need to consider some form of rehabilitation.
The exterior angle of a triangle is equal to 1  . the value of its adjacent angle. 2  the sum of its opposite interior angles.  the product of its opposite interior angles.
You might also be given a scenario where you are tasked with finding the exterior angle using the measures of the angles inside the triangle. For instance, take a look at this diagram: We know that this is an isosceles triangle because of the markings on two of the sides of the triangle.