the perpendicular sides of right angled triangles are 12 and 15 centimeters long.another right angled triangle of the same area has one of the perpendicular sides 18 cm long.what is the length of the other?
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Answer:10cm
Step-by-step explanation:
Area of triangle a=1/2×base×height
=1/2×12×15=90cm²
Area of triangle a=Area of triangle b
Area of triangle b=90cm²
=1/2×base×height
=1/2×18×x
9x=90
x=10cm
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