area = 11.4 cm2 and altitude = 4 cm.
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Step-by-step explanation:
legth of PQ=8cm
length of OQ = 6cm
PQ is tangent
therefore ∠OQP=90
so by apply pythoguras theorem
we can find OP
OP² =OQ²+PQ ²
OP² =6² +8²
OP=10cm
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