Help me solve it with step by step explanation I'll give 50 points whoever solve it

Norbert Willhelm asked Dec 12, 2022

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Norbert Willhelm asked Dec 12, 2022

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12 votes

Answer:

Explanation:

P=2l+2A/l

=2x18+2x126/18

=2x18+14

=30

没有给出三角形的长度，如果存在则找到三角形的面积并加上30cm

希望有帮助！祝你有美好的一天！

Izaban answered Dec 18, 2022

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