3. The base of a regular triangular pyramid has side lengths of 22 cm. If the lateral height of the pyramid is 17 cm, approximate the surface area of the pyramid. Round all calculations to the nearest tenth. 374.0 cm² 2 981.2 cm² 2 771.1 cm² 420.2 cm²
3. The base of a regular triangular pyramid has side lengths of 22 cm. If the lateral height of the pyramid is 17 cm, approximate the surface area of the pyramid. Round all calculations to the nearest tenth. 374.0 cm² 2 981.2 cm² 2 771.1 cm² 420.2 cm²
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
Related questions
Question
Transcribed Image Text:3. The base of a regular triangular pyramid has side lengths of
22 cm. If the lateral height of the pyramid is 17 cm,
approximate the surface area of the pyramid. Round all
calculations to the nearest tenth.
374.0 cm²
2
981.2 cm²
2
771.1 cm²
420.2 cm²
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