in triangle abc measure angle B = 90 degree A(2,3);B(4,5) and C (a,2) then find a
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Answer:
The value of a is a = 7
Step-by-step explanation:
AC² = AB² + BC²
(a-2)² + (2-3)² = (4-2)² +(5-3)² + (a-4)² +(2-5)²
a² + 4 -4a + 1 = 4 + 4 + a² +16 -8a + 9
8a -4a = 33 - 5
4a = 28
a = 7
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