Answer:
Step-by-step explanation:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle.
Answer:
7.
lateral surface area of traingular prism=perimeter of traingle ×length=[5+3+4]×6=72cm²
curved surface area=2[area oftraingle]=2×1/2×4×3
=12cm²
now
total surface area=72cm²+12cm²=84cm²
8.
volume of traingular prism=area of traingle ×length
=1/2×12×3.4×4=81.6cm³
Well 7 out of 12 months have 31 days and if you need to know what the names are they are ........January,March,May,July,August,October, and December hope this helps!
1/36 + 1/49 = 81 is the standard eq following the formula 1/a.a + 1/b.b = 1/r.r
Step-by-step explanation:
30+21= 51 meters
I think this is the answer