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kolezko [41]
3 years ago
9

PLEASE HELP MEEEEEEEEEEEEEEtriangle area ?​

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0
25 root 3 divided by 2
Base is 5. Height is 5 root 3
Multiply then divide by 2
Semmy [17]3 years ago
4 0

Answer:

A= 21.65063509

Step-by-step explanation:

triangle area is =base*hight/2

Because we have a right triangle we can apply the trigonometric functions

sin30 =base/hypothenuse = base/10

cos 30 = hight/hypothenuse =hight/10

sin30 = base /10  ; multiply both sides by 10

base = 10*sin30

cos 30 = hight /10 ; multiply both sides by 10

hight = 10 cos 30

A= 10*sin30*10*cos30/2 =

      100*sin 30*cos 30/2=

            50*sin30*cos30 = ; use calculator make sure is set up in degrees

A= 21.65063509

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