35 points and 35 points on same repeat question on my drop-list questions.
Find the area? so you can just leave answer only in each. But show workings here please.

Volume = 336,78 ft³

Surface Area = 367,04 ft²

Note :

l = long

w = wide

h = height

d = diameter

r = radius

V = Volume

SA = Surface Area

Known :

Rectangular prism :

l = 7 ft

w = 4 ft

h = 9 ft

Cylinder :

d = 6 ft

r = ½ d = ½ × 6 = 3 ft

h = 3 ft

Asked :

• V = ...?

• SA = ...?

Answer :

V = V rectangular prism + V cylinder

= (l × w × h) + (πr²t)

= (7 × 4 × 9) + (3,14 × 3² × 3)

= 252 + 84,78

= 336,78 ft³

SA = SA rectangular prism + SA cylinder

= (2 (lw + lh + wh)) + (2πr (r + h))

= (2 (7×4 + 7×9 + 4×9)) + (2 × 3,14 × 3 (3 + 3))

= (2 (28 + 63 + 36)) + (18,84 × 6)

= (2 × 127) + 113,04

= 254 + 113,04

= 367,04 ft²

Area = 310.52 ft²

Step-by-step explanation:

Cuboid - circle + curved surface of the cylinder + circle

= surface area if cuboid + curved surface cylinder

2[(9×7) + (9×4) + (7×4)] + 2pi×(6/2)×3

254 + 18pi

254 + 18(3.14)

310.52 ft²

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584