Jemma is wrapping a pyramid-shaped gift for her brother. The package has a rectangular base with sides of 9 and 6.5 inches and is 7 inches tall. The slant height to the 6.5-inch side of the base is 8.1 inches, and the slant height to the 9-inch side of the base is 7.7 inches. 7.7 in 8.1 in 6.5 in 9 in 1. What is the surface area of the pyramid? 2. Allowing for 20% overage, how much wrapping paper does Jemma need? 3. A roll of wrapping paper costs $5.25 and covers 288 square inches. Rounded up to the nearest whole roll, how many rolls should Jemma purchase, and how much will it cost?
Jemma is wrapping a pyramid-shaped gift for her brother. The package has a rectangular base with sides of 9 and 6.5 inches and is 7 inches tall. The slant height to the 6.5-inch side of the base is 8.1 inches, and the slant height to the 9-inch side of the base is 7.7 inches. 7.7 in 8.1 in 6.5 in 9 in 1. What is the surface area of the pyramid? 2. Allowing for 20% overage, how much wrapping paper does Jemma need? 3. A roll of wrapping paper costs $5.25 and covers 288 square inches. Rounded up to the nearest whole roll, how many rolls should Jemma purchase, and how much will it cost?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section: Chapter Questions
Problem 13PTTS
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