Use the volume formula to find the volume of the prism.
25
2
13
4

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

4+3x hope you like mark as brainliest✔

m∠abd = m∠dbc

step-by-step explanation:

given : ab bisects ∠dbc

as we know that bisection means ab divides   ∠dbc   in two equal angles named as   ∠dba and   ∠abc

so, m∠abd = m∠dbc  

because ab bisects ∠dbc.

hence , the first statement m∠abd = m∠dbc is true.