Answer:
14
Step-by-step explanation:
Tbh it doesn’t make much sense for me I think both a and b are 180 Bc a straight line equals 180 and half a circle which is mhlk equals 180 as well
Answer:
12
Step-by-step explanation:
Diagonals of a rhombus bisect each other at right angles, so in triangle JNK, we have JK=20 and JN=16.
Using the Pythagorean theorem, it follows that KN = 12.
Answer:
f(4) = -2x4-1 = -9
Step-by-step explanation:
we switch the X with 4 so it will be -2x4 -1
which will be equal -9