HanmaDraken005idn
Answered

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The perpendicular from centre of a circle to the chord, bisects the chord." The proof started from assumption "Let OM be the perpendicular to chord AB". This method of proof is

A. The proof by contradiction
B. The Direct method.
C. Induction method.
D. The proof by contrapositive method

The angles of a triangle are in the ratio 2:3:7. The measure of the smallest angle is:

A. 90°
B. 30°
C. 45°
D. 60°

If the events have the same theoretical probability of happening, then they are called

A. Mutually exclusive events
B. Mutually exhaustive events
C. Equally likely events
D. Impossible events

Nonsense ban​

Sagot :

Mochiisannidn

Answer:

  1. B. the direct method
  2. B. 30°
  3. C. eqaully likes events

Step-by-step explanation:

1. In direct method we have to assume the hypothesis as we have assumed the hypothesis "Let OM be the perpendicular to chord AB" in this case hence the option is B

2. Let the angle of triangle be 2x , 3x , & 7x

By angle sum property:-

2x+3x+7x=180

∘

⇒12x=180

∘

⇒x=15

2x=2×15=30

∘

3x=3×15=75

∘

7x=7×15=105

∘

Smallest Angle=30

30 ∘

3. Equally Likely Events. Equally likely events are events that have the same theoretical probability (or likelihood) of occurring.

KailesExicutored123idn

[tex] \large\sf{DIRECTIONS:} [/tex]

The perpendicular from centre of a circle to the chord, bisects the chord." The proof started from assumption "Let OM be the perpendicular to chord AB". This method of proof is

  • A. The proof by contradiction
  • B. The Direct method.
  • C. Induction method.
  • D. The proof by contrapositive method

The angles of a triangle are in the ratio 2:3:7. The measure of the smallest angle is:

  • A. 90°
  • B. 30°
  • C. 45°
  • D. 60°

If the events have the same theoretical probability of happening, then they are called

  • A. Mutually exclusive events
  • B. Mutually exhaustive events
  • C. Equally likely events
  • D. Impossible events

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