tolong dibantu yaa gyus

Luas Δ = 1/2 x alas x tinggi
= 1/2 x 14 x 14
= 98 cm²
Luas juring= α/360 x π x r²
= 90/360 x 22/7 x 14 x14
= 154 cm²
Luas tembereng= Luas juring x Luas Δ
= 154 cm² - 98 cm² = 56 cm²
Luas tembereng 56 cm²