Issolvi pi*(11.94/2)^2*7.5=

$$\pi \cdot ( \frac { 11.94 } { 2 } ) ^ { 2 } \cdot 7.5 =$$

Evalwa

$$\frac{1069227\pi }{4000}\approx 839.768922055$$

Passi tas-Soluzzjonijiet

Espandi \frac{11.94}{2} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100.

$$\pi \times \left(\frac{1194}{200}\right)^{2}\times 7.5$$

Naqqas il-frazzjoni \frac{1194}{200} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 2.

$$\pi \times \left(\frac{597}{100}\right)^{2}\times 7.5$$

Ikkalkula \frac{597}{100} bil-power ta' 2 u tikseb \frac{356409}{10000}.

$$\pi \times \frac{356409}{10000}\times 7.5$$

Immultiplika \frac{356409}{10000} u 7.5 biex tikseb \frac{1069227}{4000}.

$$\pi \times \frac{1069227}{4000}$$