25. If area of a triangular piece of cardboard is 90 sq.cm, then the length of altitude corresponding to 20 cm
long base is
cm.
Answers
Answered by
3
Answer:
base=9cms
Step-by-step explanation:
area of triangle =1/2×b×h
90 =1/2×b×20
180. =b×20
base=180/20
=9cms
Answered by
1
area of triangle =1/2×b×h
90 =1/2×b×20
180. =b×20
base=180/20
=9cms
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