Question

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.​

Answer 1

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

Answer 2

area of triangle =1/2×b×h

90 =1/2×b×20

180. =b×20

base=180/20

=9cms