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b= 15
c= 26
x= (a-b)/2 = 10
h² = c² - x² = 676 - 100=576
h = 24
P= (a+b)/2 × h = 25 × 24 = 600cm²
10²+h²=26²
100+h²=676
h²=676-100
h=24
p= a+b/2 *h
p=15+35/2 *24
p= 600cm²
akwadrat + bkwadrat = ckwadrat
hkwadrat + 10kwadrat= 26kwadrat
hkwadrat +100 =676
hkwadrat = 576
h=pierwiastek z 676
h=26
P=1/2 (a+b) * h
P=1/2 (15+35) * 26
P=13 * 50
P=650 nie wiem jaka jednostka