4 years ago

How to find the long leg of 2√2 from a 30:60:90 triangle?

2 answers:

Komok [63]4 years ago

7 0

check the picture below.

5 0

Answer: $2\sqrt{6}$

<u>Step-by-step explanation:</u>

A 30°-60°-90° triangle has the following sides: b - $b\sqrt{3}$ - 2b

short leg (matches to 30°) so b = $2\sqrt{2}$

long leg (matches to 60°) so $b\sqrt{3}$ = $(2\sqrt{2})\sqrt{3}$ = $2\sqrt{6}$

hypotenuse (matches to 90°) so 2b = $2(2\sqrt{2})$ = $4\sqrt{2}$

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zysi [14]

77.5%

Change to decimal:-

77.5 ÷ 100 = 0.775

775/1000

31/40

77.5% = 31/40

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3 years ago

julsineya [31]

Answer:

The value of angle BAC = 75°

Step-by-step explanation:

=> Angle BAC + 105° = 180°

=> Angle BAC = 180° - 105°

=> Angle BAC = 75°

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2 years ago

Sloan [31]

Try the first option if that's an option

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3 years ago

Bumek [7]

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ozzi

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3 years ago