# MCQs in Plane Trigonometry Part III - Answers

Answers key for the Compiled MCQs in Plane Trigonometry Part 3 of the series as one topic in Engineering Mathematics in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Plane Trigonometry – MCQs Part 3.

101. B. 16 cm

102. C. 47.9

103. A. 5.144 cm

104. B. 27

105. C. 14.63 units

106. B. 27

107. B. 93.74

108. C. 4.73 cm

109. D. 14.3

110. C. 36.3 meters

111. C. 52.43

112. A. 21.74 cm

113. C. 125 meters

114. C. 19.94

115. B. 274 meters

116. C. after 2.13 hours

117. B. 2√5 meters

118. C. 100 (√30) / 3

119. D. 8.09 meters

120. B. 12493

121. B. 11 meters

122. B. 54.23 meters

123. D. 92.54 feet

124. D. 40.7

125. C. 259.2

126. B. 73.61 meters

127. A. 47.1 meters

128. C. P601,650.00

129. A. 0.5 m2

130. C. 8√2 cm

131. A. 9.17 inches

132. A. N 40° E

133. C. 15.56°

### Online Questions and Answers in Plane Trigonometry Series

Following is the list of practice exam test questions in this brand new series:

Plane Trigonometry MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                   Answer key: PART III

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