225k views
0 votes
Can someone help with this ASAP

Can someone help with this ASAP-example-1

1 Answer

4 votes

Answer:

x=7cm.

Explanation:

A=1/2(a+b)h.

63=1/2(6+12)x.

63=1/2(18)x.

63=9×x.

63/9=9×x/9.

7cm=x.

x=7cm.

User Fantabolous
by
6.1k points