Convert 78 m² into cm².
Correct answer(s):
- 780000 cm²
Subject
Mathematics
Practice related MCQ quizzes and improve step by step.
Practice by Education Level
Subtopics under Mathematics
Quizzes in Mathematics for Grade 8
Using π = 3.14, find the volume of a sphere with radius 6 mm.
Correct answer(s):
- 904.32 mm³
Using π = 3.14, find the volume of a cone with radius 3 m and height 79 m.
Correct answer(s):
- 744.18 m³
A rectangular cardboard is 62 mm by 8 mm. A square of side 4 mm is cut from it. What area remains?
Correct answer(s):
- 480 mm²
Using π = 3.14, find the curved surface area of a cylinder with radius 11 cm and height 73 cm.
Correct answer(s):
- 5042.84 cm²
A semicircular window has radius 54 m. Using π = 3.14, what is its area?
Correct answer(s):
- 4578.12 m²
Using π = 3.14, find the volume of a cylinder with radius 11 m and height 69 m.
Correct answer(s):
- 26215.86 m³
Using π = 3.14, find the circumference of a circle with radius 51 mm.
Correct answer(s):
- 320.28 mm
A cuboid measures 67 mm × 4 mm × 9 mm. What is its total surface area?
Correct answer(s):
- 1814 mm²
Using π = 3.14, find the area of a circle with radius 48 cm.
Correct answer(s):
- 7234.56 cm²
A cuboid has length 66 cm, breadth 6 cm, and height 7 cm. Find its volume.
Correct answer(s):
- 2772 cm³
Using π = 3.14, find the volume of a sphere with radius 5 m.
Correct answer(s):
- 523.33 m³
Using π = 3.14, find the volume of a cone with radius 12 cm and height 78 cm.
Correct answer(s):
- 11756.16 cm³
A rectangular cardboard is 61 m by 7 m. A square of side 3 m is cut from it. What area remains?
Correct answer(s):
- 418 m²
Using π = 3.14, find the curved surface area of a cylinder with radius 10 mm and height 72 mm.
Correct answer(s):
- 4521.6 mm²
A semicircular window has radius 53 cm. Using π = 3.14, what is its area?
Correct answer(s):
- 4410.13 cm²
Using π = 3.14, find the volume of a cylinder with radius 10 cm and height 68 cm.
Correct answer(s):
- 21352 cm³
Using π = 3.14, find the circumference of a circle with radius 50 m.
Correct answer(s):
- 314 m
A cuboid measures 66 m × 3 m × 8 m. What is its total surface area?
Correct answer(s):
- 1500 m²
Using π = 3.14, find the area of a circle with radius 47 mm.
Correct answer(s):
- 6936.26 mm²