Final answer:
To find the value of 'm' in the figure, the measure of angle ABD can be set equal to the measure of angle BCD. By simplifying the equation, we find that m = 195.
Step-by-step explanation:
To find the value of 'm' in the figure, we can use the fact that ABD is equivalent to BCD. This means that the measure of angle ABD is equal to the measure of angle BCD. Since the sum of the measures of angles in a triangle is always 180 degrees, we can set up the equation: m + 48 + 90 = m + 70 + 63. By simplifying this equation, we find that m = 195.
Learn more about Triangle angles