LOTS OF POINTS
1 answer:
The lengths of the sides are 24cm, 27cm and 30cm.
Step-by-step explanation:
The ratio of lengths is 8:9:10
Perimeter = 81 cm
Let x be the length of side.
Therefore,
The length of sides is 8x, 9x and 10x.
Perimeter is the sum of 3 sides, therefore,
Dividing both sides by 27;
Therefore, the lengths of sides are
The lengths of the sides are 24cm, 27cm and 30cm.
Keywords: triangles, perimeter
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<u>Answer:</u>
The Time taken by Elena and Jade to meet up is 2.5 hours
<u>Explanation:</u>
Given,
Elena moves with a speed of 6mph while Jada walks at a speed of 4 mph
Also, Distance can be calculated by the formula
To find out the Total speed, i.e., speed of both Elena and Jada as both of them are walking in opposite direction we should add the speed of both the persons, if in same direction we should subtract the values
Here it will be: = 10mph
Distance apart is given as 25 miles. Substituting the values,
25 =
Time = 25/10
Time = 2.5 hour
Hence, It will take 2.5 hours to meet up.