tolong para jenius brainly

AB = 30 cm
BC = 12 cm
TO = 8 cm

t1^2 = (TO)^2 + (1/2×AB)
t1^2 = 8^2 + (1/2 × 30)^2
t1^2 = 8^2 + 15^2
t1^2 = 64 + 225
t1^2 = 289
t1 = akar 289
t1 = 17 cm

t2^2 = (TO)^2 + (1/2 × BC)^2
t2^2 = 8^2 + (1/2 × 12)^2
t2^2 = 8^2 + 6^2
t2^2 = 64 + 36
t2^2 = 100
t2 = akar 100
t2 = 10 cm

L = L alas + 2 × L sisi tegak1 + 2 × L sisi tegak2
L = AB × BC + 2 × 1/2 × AB × t2 + 2 × 1/2 × BC× t1
L = 30 × 12 + 2 × 1/2 × 30 × 10 + 2 × 1/2 × 12 × 17
L = 360 + 300 + 204
L = 864 cm^2

Jadi luas permukaan limas tersebut adalah
864 cm^2