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

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter68: Basic Calculations Of Angles And Sides Of Right Triangles

Section: Chapter Questions

Problem 5A

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Question

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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