Triangle JKL is shown below. Find the value of x.
2 answers:
Answer:
x=9
Step-by-step explanation:
All measurements of the interior angles equals up to 180 degrees when added together, therefore add them all together and set it equal to 180.
7x+2+4x+7+8x=180
-Combine like terms
19x+9=180
-Subtract 9 on both sides
19x=171
-Divide by 19
x=9
Answer:
x=9
Step-by-step explanation:
every angle of a triangle added together equals 180. ill just show my work bc its hard to explain:
7x+2 + 4x+7 + 8x = 19x+9
19x+9 = 180
-9 -9
19x = 171 (now divide by 19)
x=9
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