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(192) Calcola la base del triangolo isoscele \( A B C \) sa pendo che la sua area è di \( 143 \mathrm{~cm}^{2} \) e che l'al tezza misura 22 cm .

Ask by Campbell Graham. in Italy
Feb 03,2025

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La base del triangolo isoscele \( ABC \) è **13 cm**.

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Per calcolare la base del triangolo isoscele \( ABC \), possiamo usare la formula dell'area del triangolo: \( A = \frac{1}{2} \times base \times altezza \). Sappiamo che l'area \( A \) è \( 143 \, \text{cm}^2 \) e l'altezza è \( 22 \, \text{cm} \). Quindi possiamo sostituire i valori nella formula: \[ 143 = \frac{1}{2} \times base \times 22 \] Risolvendo per la base, otteniamo: \[ base = \frac{143 \times 2}{22} = \frac{286}{22} = 13 \, \text{cm} \] La base del triangolo isoscele \( ABC \) misura quindi \( 13 \, \text{cm} \).

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