The ratio of 3/20 is 3:20
Given:
AD is diameter of the circle, AB is the tangent, and measure of arc ADC is 228 degrees.
To find:
The 
and 
.
Solution:
AD is diameter of the circle. So, the measure of arc AD is 180 degrees.
The measure inscribed angle is half of the corresponding subtended arc.
AB is the tangent. So, 
because radius is perpendicular on the tangent and the point of tangency.
Therefore, 
and .
Answer:
(i) 22.5
(ii) 7.2
Step-by-step explanation:
(i)
AB:PQ = 2:5 = 1:2.5
So PQ is 2.5 times longer than AB.
PQ=2.5AB=(2.5)9=22.5
(ii):
Since the triangles are similar, their sides are in ratio to each other. So if PQ was 2.5 times longer than AB, QR must also be 2.5 times longer than BC:
QR=2.5BC
BC=QR/2.5=18/2.5=7.2
(9 + 4i ) + ( 36 - 2i) is the equivalent complex number
Answer:
1 is adjacent and linear pair 2 is adjacent and not linear pair 3 is not adjacent and not linear pair
Step-by-step explanation:
4) angle 4and5 are adjacent
5)angle 1and4 are linear pair
6)angle 2and3 are linear pair
