Answer:
<h2><em><u>-20</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3m</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>6k</u></em></h2>
Step-by-step explanation:
<em><u>Given</u></em><em><u>, </u></em>
Sides of the triangle = (5k-7) cm, (k-4) cm and (3m - 9) cm
<em><u>Therefore</u></em><em><u>, </u></em>
Perimeter of the triangle in cm = (5k -7) cm + (k-4) cm + (3m - 9) cm
= 5k - 7 + k - 4 + 3m - 9
= 5k + k -7 - 4 - 9 + 3m
= 6k -20 + 3m
= - 20 + 3m + 6k
<em><u>Hence</u></em><em><u>,</u></em>
<em><u>-20</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3m</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>6k</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>perimeter</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>triangle</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>cm</u></em><em><u>.</u></em>
Answer:
The closest measurement is 15.7
Step-by-step explanation:
The formula for circumference is
The diameter is double the radius, so to get the radius we divide by 2.
5 divided by 2 is 2.5
Knowing "r" is 2.5 we can plug that into our equation and solve.
2 · · 2.5 ≈ 15.71
The closest measurement is 15.7
Answer:
-5
Step-by-step explanation:
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