plz tell me ans &also explain it.
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Answer: 216 unit^2
Step-by-step explanation:
By Pythagoras theorem
AB^2 + BC^2 = AC^2
(3x)^2 + (4x)^2 = (30)^2
9x^2 + 16x^2 = 900
25x^2 = 900
x^2 = 36
x = 6
AB= 3x= 3(6)= 18 -------------------------Height
BC= 4x= 4(6)= 24 ------------------------Base
Area of triangle = 1/2 x Base x height
= 1/2 x 24 x 18
= 12 x 18
= 216 unit^2
Hope it helped
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Answer:
216 unit²
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