4, there is 3 radii OA, OC and OB
2nd choice
5. there is one chord BC
first choice
6. 3 central angles:
AOC, AOB, BOC
first choice
Answer:
Step-by-step explanation:
take theta as reference angle
using sin rule
sin theta=opposite/hypotenuse
sin theta=5/13
sin theta=0.38
theta=sin 23
therefore the value of theta is 23 degree
Answer:
89.6
Step-by-step explanation:
2 divided by 4 = 0.5
0.5 x 3 = 3.5
3.5+ 8=12.3
12.3 + 5 = 12.8
12.8 x 7= 89.6
Answer:
a
Step-by-step explanation:
2/3
Divide the numerator and denominator by their gcd which is 5