how to solve this question?
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Answered by
1
Answer:114m^2
Step-by-step explanation:
=Root (144+81)
=15
=17^2-15^2
=64
=8^2
=((8*15)/2)+((9*12)/2)
=60+54
=114
Answered by
0
In tri ADC,
by Pythagorean thm,
AC^2=AB^2+DC^2
AC=15M
In tri ABC,
AB^2=AC^2+BC^2
BC=8m
there fore,
area of tri ABC+Area of tri ADC=area of quadrilateral ABC
15×8÷2+9×12÷2
60+54=114m^2
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