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3 years ago

What is the value of h?

Mathematics

2 answers:

4vir4ik [10]3 years ago

4 0

Answer:

h=9

Step-by-step explanation:

(3h+18)° + (15h)° =180 because they form straight agle together

Solve for h:

3h+18 + 15h =180

18h=180-18

h= 162/18

h=9

Andreyy893 years ago

3 0

Answer:

3h+18°+15h= 180°(straight angle)

=>18h+18= 180°

=>18h= 180-18° = 162°

=>h= 162°/18= 9

option B

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