Martin299 Martin299
  • 17-03-2022
  • Mathematics
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please help me thx so grateful for your help

please help me thx so grateful for your help class=

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subbhy
subbhy subbhy
  • 17-03-2022
Congruent means it has the same lengths and angles. So shapes that are exactly the same, perhaps just rotated so A, B, C and F

For the bottom questions, the octagon has sides of 7cm. An octagon has eight sides so the perimeter is 8 x 7 = 56 cm

b) the sides of the pentagon are given so just add them up (4 + 6 + 4 + 5 + 5 = 24 cm)

the same is true for d

for c and e you need to know some facts about these shapes (rectangle and parallelogram) ie that opposite sides of them are equal.
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