Medium Math Class 9 Level 9

A cuboid has length 20 cm breadth 14 cm and height 9 cm. What is its total surface area?

घनाभ की लंबाई 20 cm चौड़ाई 14 cm और ऊंचाई 9 cm है तो कुल पृष्ठीय क्षेत्रफल कितना होगा?

A 1092 cm² / 1092 cm² B 1172 cm² / 1172 cm² C 1260 cm² / 1260 cm² D 2520 cm² / 2520 cm²
Show answer and explanation
Correct Answer

A. 1092 cm² / 1092 cm²

Explanation

TSA = 2(lb + bh + hl) = 2(280 + 126 + 180) = 1172 cm².

TSA = 2(lb + bh + hl) = 2(280 + 126 + 180) = 1172 cm²।

Related Questions

Easy Math Class 10 Level 1

What is the HCF of 24 and 36?

24 और 36 का महत्तम समापवर्तक क्या है?

A 12 B 6 C 18 D 24
Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Easy Math Class 10 Level 1

What is the mean of the numbers 2 4 6 and 8?

संख्याओं 2 4 6 और 8 का माध्य क्या है?

A 4 B 6 C 8 D 5
Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A 44 सेमी² / 44 cm² B 77 सेमी² / 77 cm² C 154 सेमी² / 154 cm² D 308 सेमी² / 308 cm²
Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Easy Math Class 10 Level 1

What is the value of sin 30°?

sin 30° का मान क्या होता है?

A 1/2 B √3/2 C 1 D 0
Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class.