minta bantuan nya ya kawan kawan... terimakasih

26) 15 -10 = 5
RT = √13² - 5²
= √169 -25
= √144 = 12 cm
27) Luas 1 = p x l
= 30 x 20 = 600 cm²
Luas ² =6 π r²
= 6 x 3,14 x 5 x 5
= 471 cm²
Luas yg diarsir= 600 - 471 = 129cm²