I.5

정사각뿔의 겉넓이

옆면의 높이를 이용해 밑면(정사각형)과 옆면 네 삼각형의 넓이 더하기

난이도

보통

난이도

문제 수

예제 포함답안지 포함

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Surface Area of Square Pyramids Skill I.5 \cdot Surface area & volume \cdot ★★☆ Medium Name Date Score / 6 Scan for answers Include square units. Example 5 in 6 in 6 in Surface area = 96 in² Think: The square base, 6^{2} = 36, plus four triangles, 4 \times \frac{1}{2} \times 6 \times 5 = 60 : 96 in all. 1 8 cm 9 cm 9 cm Find the surface area. 2 7 cm 9 cm 9 cm Find the surface area. 3 6 in 6 in 6 in Find the surface area. 4 10 cm 3 cm 3 cm Find the surface area. 5 9 cm 10 cm 10 cm Find the surface area. 6 11 cm 10 cm 10 cm Find the surface area. Daniel Math Academy \cdot danielmath.com Worksheet # j2pev3g \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key I.5 Surface Area of Square Pyramids \cdot ★★☆ Medium 1 225 cm² 2 207 cm² 3 108 in² 4 69 cm² 5 280 cm² 6 320 cm² Daniel Math Academy \cdot danielmath.com Worksheet # j2pev3g \cdot Answer Key \cdot Page 2 / 2

I. 겉넓이와 부피스킬 7개