Answer:
1.87
Step-by-step explanation:
multiply the probability then divide by the number of instruments
Using the section formula
= = = =
<u>Angle B O C</u>
<u />
<em>Complementary angles add up to </em><em>90</em>
<em>Angles COD and BOC form a right angle which means they add up to </em><em>90</em><em>.</em>
<em />
