Sɛ wopɛ sɛ wuhu tenten a ɛwɔ nsakrae ase wɔ nsenia ahorow so a, sɔ eyi hwɛ, .scale tenten nsakrae adwinnade, ɛboa yɛn ma yebu ne tenten ho akontaa ntɛmntɛm.
Saa akontabuo yi boa yɛn ma yɛhunu nsenia factor a ɛda tenten mmienu ntam, hyɛn tenten mmienu kɛkɛ, ɛbɛbu scale factor no ankasa, ɛboa tenten unit ahodoɔ (mm, cm, m, km, in, ft, yd, mi), de ka ho a ɛne no hyia mfonini a wɔde aniwa hu ne fomula, a ɛnyɛ den sɛ wobɛte akontaabu nhyehyɛe ne nea efi mu ba no ase.
Wɔ geometric akontaabu abien a ɛte saa ara mu no, scale factor no yɛ wɔn afã horow a ɛne no hyia no nsusuwii, sɛ wɔkyekyɛ afã horow no tenten abien a ɛne no hyia no mu a, ɛbɛma ratio no, sɛ nhwɛso no
4 ne 10 yɛ nea wotumi kyekyɛ mu 2
Ne tenten A : 4 ÷ 2 = 2
Ne tenten B : 10 ÷ 2 = 5
enti nsenia factor a efi A kosi B yɛ 2:5
12 ne 3 yɛ nea wotumi kyekyɛ mu 3
12 ÷ 3 = 4 na ɛwɔ hɔ
3 ÷ 3 = 1 na ɛyɛ
12:3 ratio a wɔayɛ no mmerɛw no yɛ 4:1
enti nsenia factor a ɛyɛ nsateakwaa 12 kosi nsateakwaa 3 yɛ 4:1
1⁄4 nsateakwaa = 1 ÷ 4 = 0.25 nsateakwaa
2 ft = 12 × 2 = 24 nsateakwaa
1 ÷ 0.25 = 4 na ɛwɔ hɔ
24 × 4 = 96 na ɛwɔ hɔ
0.25:24 ratio a wɔayɛ no mmerɛw no yɛ 1:96
enti nsenia factor a ɛyɛ nsateakwaa 1⁄4 kosi anammɔn 2 yɛ 1:96