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Using Heron’s formula, s = (AB + BC + AC) / 2 = (13 + 14 + 15) / 2 = 21 cm. Area = √[s(s - AB)(s - BC)(s - AC)] = √[21(21 - 13)(21 - 14)(21 - 15)] = √[21 × 8 × 7 × 6] = √(7056) = 84 cm². Altitude from A = (2 × Area) / BC = (2 × 84) / 14 = 12 cm. Correct Option: a) Area = 84 cm², Altitude = 12 cm
In which of the following expressions does the expression ‘L > B’ and ‘R < N’ is true?
In the question, assuming the given statements to be true, find which of the conclusion (s) among given conclusions is/are definitely true and then giv...
Which among the following symbols should replace the question mark [?] (in the same order from left to right) in the given expression in order to make ...
Statements: J @ K, K $ L, L & M, M % N
Conclusions: I. K @ M II. N & J
...Statements:
C © S * R, U % R $ Z
Conclusions:
I. Z $ C
II. U % S
III. U © C
In the question, assuming the given statements to be true, find which of the conclusion(s) among given two conclusions is/are definitely true and then g...
Statements : I @ L © R * A $ M
Conclusions :
I. R * M
II. A % L
III. A % I
Statements:
S ≥ T ≤ D > P; F ≥ T > J ≥ Y
Conclusions:
I) Y < S
II) F > P
Statement: C < X ≤ B > E < L < I
Conclusion: I. I > E II. C < I
...Statements: A = B ≥ C > D, F > G = H ≥ J, D ≥ E ≥ I > F
Conclusions:
I. D ≥ H
II. I > J
III. G < A
