Question

9. Which of the following statements is true?
(a) Two acute angles can form a linear pair
(b) Two obtuse angles can form a linear pair
( Two right angles can form a linear pair
(d) One obtuso angle and one acute angle cannot form a linear pate
10. Which of the following statements is false?
(a) Two vertically opposite angles can be acute
(b) Two vertically opposite angles can be obtuse
( Two vertically opposite angles can be right angles
(d) Two vertically opposite angles may be unequal​

Answer 1

Answer:

a is false

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Answer 2

Step-by-step explanation: i dont know