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Soloha48 [4]
3 years ago
14

Help plz if your good at finding the area of the compound figure plz help if you don’t know the answer your not needed but if yo

u do plz help

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0

Answer:

96cm^2

Step-by-step explanation:

We can divide it into two rectangles: 7x8 and 10x(12-8), arriving at the solution of 7cm*8cm + 10cm*4cm = 56cm^2 + 40cm^2 = 96cm^2

We can also divide it into two rectangles: 12x7 + (12-8)x(10-7), arriving at 12cm*7cm + 4cm*3cm = 84cm^2 + 12cm^2 = 96cm^2

We could also divide it to one big rectangle and one "negative" rectangle of 10x12 and -8x(10-7), arriving at 10cm*12cm - 8cm*3cm = 120cm^2 - 24cm^2 = 96cm^2

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Please help me
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Answer:

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⇒ BA = BC  
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⇒ ∠BCA = ∠BAD = 55°

Angles on a <u>straight line</u> sum to 180°

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As BE intersects AC, the <u>vertically opposite angles</u> are <em>equal</em>:

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⇒ ∠ABD = 180° - 55° - 82°

⇒ ∠ABD = 43°

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2 years ago
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vovangra [49]
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IRINA_888 [86]
1. 19
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