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Butoxors [25]
2 years ago
14

Please help me thanks!

Mathematics
1 answer:
IrinaK [193]2 years ago
4 0

Answer:

See below ~

Step-by-step explanation:

Formula for area of a triangle :

<u><em>Area (triangle) = 1/2 × base × height</em></u>

<u><em /></u>

=============================================================

Solving :

<u>Triangle 1 (Top Left)</u>

⇒ Area = 1/2 × 11 × 3

⇒ Area = 33/2

⇒ Area = 16.5 in²

<u>Triangle 2 (Top Right)</u>

⇒ Area = 1/2 × 8 × 7.2

⇒ Area = 4 × 7.2

⇒ Area = 28.8 cm²

<u>Triangle 3 (Bottom Left)</u>

⇒ Area = 1/2 × (5.5 + 5) × 10.4

⇒ Area = 10.5 × 10.4

⇒ Area = 109.2 m²

<u>Triangle 4 (Bottom Right)</u>

⇒ Area = 1/2 × (2 + 7) × 5.5

⇒ Area =  9 × 2.75

⇒ Area = 24.75 in²

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Answer:

m<EAD=29°

m<CAB=119°

Step-by-step explanation:

Angles on a straight line sum up to 180°

This implies that,

61°+90°+EAD=180°

151°+EAD=180°

Subtracting 151° from both sides,we obtain,

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Angles on a straight line add up to 180°.

This implies that,

CAB+61°=180°

Subtracting 61° from both sides,we obtain

CAB=180°-61°

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Step-by-step explanation:

Given

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