Bella measured these outside temperatures for each of four days.
2 answers:
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Answer:
T(9,-2)
Step-by-step explanation:
The circle has radius 5 units and center P(6,1).
The equation of this circle is
If Q(1,11) lies on this circle, then it must satisfy its equation.
, this statement is false.
If R(2,4) lies on this circle, then it must satisfy its equation.
, this statement is false.
If S(4,-4) lies on this circle, then it must satisfy its equation.
, this statement is false.
If T(9,-2) lies on this circle, then it must satisfy its equation.
, this statement is TRUE.
The correct answer is D
Answer:
60°
Step-by-step explanation:
sum of interior angles of quadrilateral is 360°
∠C = 70°
∠D = 50°
∠C + ∠D = 120°
∴ ∠A + ∠B = 360° - 120° =240°
AO and BO bisect ∠A and ∠B
∠OAB + ∠OBA = 1/2 x ( ∠A + ∠B) = 120°
∠AOB = 180° - (∠OAB + ∠OBA) = 180° - 120° = 60°
