Square on the right is .9765 the measurements of the square on the left or 85:83
Answer:
vertical angles b= 86
Step-by-step explanation:
b is equal to 86 since the angles are vertical angles
Area of semicircle is given by:

r is the radius, and we are given the diameter. Radius is half the diameter, so it's 2.5m. Let's plug that into the formula (using 3.14 as an estimation for pi):

So, the area of this semicircle is
9.81m².
In an observational study, only one group is studied, and in an expirement, two groups are studied.
Two fractions are called equivalent if they have the same numeric value. ... To calculate equivalent fraction , multiply the Numerator of each fraction, by its respective Multiplier. ... Combine the numerators together, put the sum or difference over the common denominator then reduce to ...