Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Explore a wealth of knowledge from professionals across various disciplines on our comprehensive Q&A platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

8 A rectangular piece of card 10 cm by 30 cm is rolled
up to make a tube (with no overlap).
Find the radius of the tube if
a the long sides are joined
b the short sides are joined.