3 years ago

Find the value of x in each case:

Mathematics

2 answers:

morpeh [17]3 years ago

5 0

Answer:

x=15

Step-by-step explanation:

5x+(180-9x)+(180-8x)=180

total of a triangle angles is 180

MrRissso [65]3 years ago

3 0

Answer:

15°

Step-by-step explanation:

Step 1:

180° - 8x + 5x + 180° - 9x = 180° Sum of Triangle

Step 2:

360° - 12x = 180° Algerbra

Step 3:

- 12x = 180° Algerbra

Step 4:

12x = 180° Algerbra

Answer:

x = 15°

Hope This Helps :)

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