Question

please give me answer I'll mark perfect answer brainliest​

Answer 1

Answer

7.5 cm

Step-by-step explanation:

area of 1st ∆= 1/2×b×h

area of 2nd ∆= 1/2 ×b×h

'.' ratio = (1/2×b×h)/1/2×b×h

since base is common

therefore, ratio = h/h'

A/Q, 6:5 = 9:h'

therefore h' = 6/ 9×5

15/2 = 7.5

Answer 2

Step-by-step explanation:

ok yet

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