3 years ago

17 mm 8 mm 9 mm 15 mm

Mathematics

2 answers:

ivann1987 [24]3 years ago

7 0

Answer:

Solution given:

laternal section area =perimeter of triangle×length

=(15+8+17)×9=360mm²

OleMash [197]3 years ago

4 0

Answer:

do you have to add the numbers together or multiply

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