Question

pls ans this question​

Answer 1

Step-by-step explanation:

$solution. \\ area \: of \: a \: trapezium = 78 {cm}^{2} \\ length = 12cm \\ breadth \: = 8cm \\ now \\ area \: of \: a \: trapezium = \frac{1}{2} \times h(l + b) \\ 78 {cm}^{2} = \frac{1}{2} \times h(12cm + 8cm) \\ 78 {cm}^{2} = \frac{1}{2} \times h \times 20cm \\ \frac{78cm {}^{2} \times 2 }{20cm} = h \\ \frac{78cm}{10} = h \\ 7.8cm = h \\ or \\ h = 7.8cm \: \: answer...$

hlo dear...???

sahi hai tho thik nahi tho report kar dijiyega answer ko...??