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Alla [95]
3 years ago
9

Anyone help me please,find the area of each figure.​

Mathematics
2 answers:
blondinia [14]3 years ago
6 0

here we need little construction and sole by using area of rectangle and square.

Morgarella [4.7K]3 years ago
5 0

Hey there! :)

Answer:

170 cm².

Step-by-step explanation:

This is an example of a composite figure, so find the areas of each shape separately:

Begin by finding the area of the smaller square. A = s²

A = 7² = 49 cm².

Find the area of the larger square:

A = 11² = 121 cm².

Add up the two areas:

49 + 121 = 170 cm².

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7. In the accompanying diagram of rhombus CDEF, diagonal FD is drawn and the
tatiyna

Answer:

m∠CFD is 70°

Step-by-step explanation:

In the rhombus

  • Diagonals bisect the vertex angles
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Let us solve the question

∵ CDEF is a rhombus

∵ ∠E and ∠F are adjacent angles

→ By using the second property above

∴ ∠E and ∠F are supplementary

∵ The sum of the measures of the supplementary angles is 180°

∴ m∠E + m∠F = 180°

∵ m∠E = 40°

∴ 40° + m∠F = 180°

→ Subtract 40 from both sides

∵ 40 - 40 + m∠F = 180 - 40

∴ m∠F = 140°

∵ FD is a diagonal of the rhombus

→ By using the first property above

∴ FD bisects ∠F

→ That means FD divides ∠F into 2 equal angles

∴ m∠CFD = m∠EFD = \frac{1}{2} m∠F

∴ m∠CFD = \frac{1}{2} (140°)

∴ m∠CFD = 70°

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