86 and 87 utilize the Pythagorean theorem. Where those tangent lines meet the circle forms a right angle. So you have a side length of 6 and a hypotenuse of 22. So the missing side length is 21.16. For 87, its the same thing, but you have the 2 legs but are missing the hypotenuse.
X=17/2
Decimal form : x=8.5
Answer: A 2,2
Step-by-step explanation: 1 - 1 something
5x6 = 30 divided in half because its a triangle
=15
2x3 = 6
15-6 = 9
Answer:
B
Step-by-step explanation:
