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18-11-2020
Mathematics

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16. BD is an altitude in AABC find the value of x'if MZADB -
(3x + 15)°

16 BD is an altitude in AABC find the value of xif MZADB 3x 15 class=

Respuesta :

mhanifa mhanifa

18-11-2020

Answer:

x = 25°

Step-by-step explanation:

Since BD is altitude, BD ⊥ AC

Therefore ∠ ADB = 90°

3x + 15° = 90°
3x = 90° -15°
3x = 75°
x = 75°/3
x = 25°

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