Answer:
Θ = 46°
Step-by-step explanation:
the angle between a tangent and a radius at the point of contact is 90° , so
∠ ABO = 90°
since OB = OD ( radii of circle ) then Δ BOD is isosceles and
∠ OBD = ∠ ODB = 22°
the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
∠ AOB is an exterior angle of the triangle , then
∠ AOB = 22° + 22° = 44°
the sum of the 3 angles in Δ AOB = 180° , then
Θ + 44° + 90° = 180°
Θ + 134° = 180° ( subtract 134° from both sides )
Θ = 46°
Answer:
5 * 10 * 10 * 9 = 4500
Step-by-step explanation:
Answer:
The 4th system (h = 4.2 − p
; h = 2p)
Step-by-step explanation:
Answer:
Step-by-step explanation:
the answer is 45
Answer:
2.75
Step-by-step explanation:
1/4 x 11 = 2.75
