VT = SP - RU
VT = 7 - 2
VT = 5 cm
SP / VT = SR / UV
7 / 5 = (UV + 5) / UV
7 UV = 5 (UV + 5)
7 UV = 5 UV + 25
7 UV - 5 UV = 25
2 UV = 25
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VT = SP - RU
VT = 7 - 2
VT = 5 cm
SP / VT = SR / UV
7 / 5 = (UV + 5) / UV
7 UV = 5 (UV + 5)
7 UV = 5 UV + 25
7 UV - 5 UV = 25
2 UV = 25
UV = 12,5 cm ✔️
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