ABC is right angled at B. if AC=25cm,BC=7cm. find the length of AB.
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Answer:
Use H² =P² + B²
Pythagoras theorm
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Answer:
AB = 24
Step-by-step explanation:
by pythagoras theorem
(AC)² = (AB)² + (BC)²
(25)² = (AB)² + (7)²
625 = (AB)² + 49
625 - 49 = (AB)²
(AB)² = 576
therefore : AB = 24 .
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