Answer:
672 sq cm
Step-by-step explanation:
Each triangular base is 1/2 (12 * 8) or 48, making them = 96.
One of the sides is 12 x 18 = 216
The other 2 sides are 10 x 18 = 180 x 2 = 360
Add them all together to get 672 sq cm
4
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40
It becomes lower
This is because as the lowest value becomes larger, <em>one of the values becomes closer to the mean</em>, and as more numbers are closer to the mean, the standard deviation becomes lower.
3 and 4.
because the sum of the smaller two sides of a triangle have to be less than or equal to the 3rd larger side.
2. 0.49 of a kilogram
3. 4.42 sentences
4. 0.9 boxes of nails
5. 5.86 grams
6. 7.75 liters
7. 0.91 yards
8. 0.8cm
9. 7.83 kilograms
