a cuboid has total surface area of 372cm^ and its lateral surface area is 180cm^.find the area of its base.
Answers
Answered by
1
Answer:
Step-by-step explanation:
TAS of cuboid = 2*(lw+wh+hl)
372=2*(lw+wh+hl)...........(1)
LST of cuboid = 2 h(l+w)
180 =2*h(l+w)........(2)
area of base = l*w
adding eq 1 and 2
372 + 180 = 2*(lw+wh+hl)+2*h(l+W)
552= 2lw+
Answered by
0
Step-by-step explanation:
Given A cuboid has total surface area of 372 cm^2 and its lateral surface area is 180 cm^2.find the area of its base.
- We know that total surface area of cuboid = 2 (lb + bh + lh)
- So 2(lb + bh + lh) = 372 sq cm
- Or lb + bh + lh = 186
- We know that lateral surface area of cuboid = 2 (lh + bh)
- So 2(lh + bh) = 180 sq cm
- Or lb + bh = 90
- Now lb + bh + lh = 186
- Or lb + 90 = 186
- Or lb = 186 – 90
- Or lb = 96 sq cm
- Now the base of cuboid is a rectangle and area of base is lb
- Therefore the area of base of cuboid will be 96 sq cm
Reference link will be
https://brainly.in/question/7851886
Similar questions