write the area of right angled triangle two of which are 5cm and 13cm and the perimeter is 30cm
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Answer:
Step-by-step explanation:
in ΔABC AC=13 , AB=? , BC = 5
perimeter = 13+5+AB
30 = 18 +AB
AB = 12
AREA OF ΔABC = 1/2 x AB x BC
= 1/2 x 5 x 12
= 30 cm²
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