This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Hapa kuna suluhisho la swali la 13: Ili kupata eneo la maji yanayozunguka duara dogo, tunahitaji kuhesabu eneo la duara kubwa na kutoa eneo la duara dogo. Step 1: Tafuta rediasi ya duara dogo. Kipenyo cha duara dogo ni 28 cm. Rediasi ya duara dogo, r = kipenyo2 = 28 cm2 = 14 cm. Step 2: Hesabu eneo la duara dogo. Eneo la duara dogo, A_ndogo = r^2. A_ndogo = 3.14 × (14 cm)^2 A_ndogo = 3.14 × 196 cm^2 A_ndogo = 615.44 cm^2 Step 3: Hesabu eneo la duara kubwa. Rediasi ya duara kubwa, R = 42 cm. Eneo la duara kubwa, A_kubwa = R^2. A_kubwa = 3.14 × (42 cm)^2 A_kubwa = 3.14 × 1764 cm^2 A_kubwa = 5538.96 cm^2 Step 4: Hesabu eneo la maji yanayozunguka duara dogo. Eneo la maji = Eneo la duara kubwa - Eneo la duara dogo. A_maji = A_kubwa - A_ndogo A_maji = 5538.96 cm^2 - 615.44 cm^2 A_maji = 4923.52 cm^2 Eneo la maji yanayozunguka duara dogo ni 4923.52 cm^2. That's 2 down. 3 left today — send the next one.