Answer:
40 seconds
Step-by-step explanation:
∠1 = 90°
∠2 = 26°
1).
a=bh
=(13)(9)
=117in^2
2).
A=1/2h(b1+b2)
=1/2(14)(15+9)
=168cm^2
3).
A=1/2d1d2
=1/2(18)(11)
=99in^2
