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avanturin [10]
3 years ago
13

9 cm, 5 cm and 3 cm a congruent triangle

Mathematics
1 answer:
Aleksandr [31]3 years ago
5 0

Answer:

9cm x 5cm x 3cm =  135 = 67,5cm 2

               2                     2

Step-by-step explanation:

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The distance between itahari and Damak is
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Answer:

8 km by motorbike.

Step-by-step explanation:

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Mr. Dhamala travelled 18.325 km by a  bus / 15.675 km by a taxi and the remaining distance by a motorbike.

Let he covered x distance by motorbike. So,

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2 years ago
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kupik [55]

Answer:

Height of the lamppost = 5.602 ft + 2.912 ft = 8.514 ft

Step-by-step explanation:

The illustration form a triangle that can be demarcated into 2 right angle triangle. One triangle representing depression triangle and the other elevation triangle.

Depression triangle

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using tangential ratio

tan 35° = opposite/adjacent

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cross multiply

a = 8 tan 35°

a = 8 × 0.70020753821

a = 5.60166030568

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Elevation triangle

The opposite side of this right angle triangle represent the length from the horizontal line of sight to the top of the lamppost.

tan 20° = opposite/adjacent

tan 20° = b/8

cross multiply

b = 8 tan 20°

b = 8 × 0.36397023426

b = 2.91176187413

b = 2.912 ft

Height of the lamppost = 5.602 ft + 2.912 ft = 8.514 ft

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3 years ago
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Full rotation or full turn
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