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Triangle Garden Area After Height Increase

This animation walks through finding the area of a triangular garden after its height increases by 4 cm. Starting from a known area of 70 cm² and base of 14 cm, it solves for the original height using the triangle area formula, adds 4 cm to find the new height, then recalculates the area with the updated height to get 98 cm². Useful for students practicing algebraic substitution and the triangle area formula.

Narrated · 16:9 · Preview before teaching · automatic layout checks do not establish subject accuracy

The prompt that made it

Berapakah luas taman setelah tingginya ditambah 4 cm? Langkah 1: Menentukan tinggi awal taman. Rumus luas segitiga: L = 1/2 × alas × tinggi Substitusikan nilai yang diketahui: 70 = 1/2 × 14 × t 70 = 7 × t t = 70 ÷ 7 t = 10 cm Jadi, tinggi awal taman adalah 10 cm. Langkah 2: Menentukan tinggi setelah ditambah 4 cm. Tinggi baru = tinggi awal + 4 cm Tinggi baru = 10 + 4 Tinggi baru = 14 cm Langkah 3: Menghitung luas taman setelah tingginya bertambah. Rumus luas segitiga: L = 1/2 × alas × tinggi Luas baru = 1/2 × 14 × 14 Luas baru = 7 × 14 Luas baru = 98 cm² KESIMPULAN Jadi, luas taman setelah tingginya ditambah 4 cm adalah 98 cm².

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