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?
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Transcribed Image Text: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?
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