For the first triangle add 45 and 95 and subtract it from 180
I’m not sure but i think it is 126 pi IM SORRY IF IM WRONGGGGG
2/sqrt 5
by rationalising the denominator,
2/sqrt 5 × sqrt 5/sqrt 5
= 2(sqrt 5)/sqrt 5(sqrt 5)
= 2 sqrt 5/5
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hope this helps! :))))
4.3 x 10⁻⁵ Liters
0.043 mL
4.3 x 10⁻² mL
