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balandron [24]
3 years ago
11

Please help me i only have few hours left i need as much as I can ge. ill get you brainliest and send you free mr.beast merch

Mathematics
2 answers:
masya89 [10]3 years ago
7 0

Answer:

26cm²

Step-by-step explanation:

Perimeter

2x - 4 + 5x - 13 + x + 9 = 40

8x - 8 = 40

8x = 40 - 8

8x = 32

x = 4

Sides of the triangle

Height = 2x - 4 = 2 x 4 - 4 = 4cm

Hypotenuse = 5x - 13 = 5 x 4 - 13 = 7cm

Base = x + 9 = 4 + 9 = 13cm

Area of triangle

= 1/2 x base x height

= 1/2 x 13 x 4

= 26cm²

Hope this helps

kkurt [141]3 years ago
4 0

Answer:

26 cm

Step-by-step explanation:

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