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136. The area of a square is represented by the letter A.
- This is True. The letter "A" is commonly used to represent area, especially in equations.
137. A = LW: is the formula for the area of a rectangle, where L is length and W is width.
- This is True. The formula for the area of a rectangle is indeed [tex]\( A = L \times W \)[/tex].
138. The formula for the perimeter of a square is: [tex]\( P = 4S \)[/tex] : where [tex]\( S = \)[/tex] side.
- This is True. The perimeter of a square is the total length around the square, given by [tex]\( P = 4 \times \text{side length} \)[/tex].
139. [tex]\( P = 2L + 2W \)[/tex] is the formula for the perimeter of a rectangle.
- This is True. The perimeter of a rectangle is calculated as [tex]\( P = 2 \times (\text{length} + \text{width}) \)[/tex].
140. The formula for the area of a triangle is [tex]\( A = \frac{1}{2}BH \)[/tex] : where [tex]\( B = \)[/tex] base, [tex]\( H = \)[/tex] height.
- This is True. The area of a triangle is calculated using the formula [tex]\( A = \frac{1}{2} \times \text{base} \times \text{height} \)[/tex].
141. Find the area of a square if each side measures 10 cm.
- To find the area, use the formula [tex]\( A = \text{side}^2 \)[/tex].
- [tex]\( A = 10 \times 10 = 100 \, \text{cm}^2 \)[/tex].
- The correct answer is (a) 100 cm².
142. Find the area of a rectangle if it measures [tex]\( L = 9 \)[/tex] inches and [tex]\( W = 7 \)[/tex] inches.
- The area is found using [tex]\( A = L \times W \)[/tex].
- [tex]\( A = 9 \times 7 = 63 \, \text{in}^2 \)[/tex].
- The correct answer is (c) 63 in².
143. Find the area of a square if sides measure 24 centimeters.
- Again, use the formula [tex]\( A = \text{side}^2 \)[/tex].
- [tex]\( A = 24 \times 24 = 576 \, \text{cm}^2 \)[/tex].
- The correct answer is (b) 576 cm².
144. Find the perimeter of a square if sides measure 6 inches.
- The perimeter is [tex]\( P = 4 \times \text{side} \)[/tex].
- [tex]\( P = 4 \times 6 = 24 \, \text{inches} \)[/tex].
- The correct answer is (a) 24 in.
145. Find the perimeter of a square if the sides measure 3 centimeters.
- The perimeter is [tex]\( P = 4 \times \text{side} \)[/tex].
- [tex]\( P = 4 \times 3 = 12 \, \text{cm} \)[/tex].
- The correct answer is (d) 12 cm.
I hope this helps explain the solutions clearly!
136. The area of a square is represented by the letter A.
- This is True. The letter "A" is commonly used to represent area, especially in equations.
137. A = LW: is the formula for the area of a rectangle, where L is length and W is width.
- This is True. The formula for the area of a rectangle is indeed [tex]\( A = L \times W \)[/tex].
138. The formula for the perimeter of a square is: [tex]\( P = 4S \)[/tex] : where [tex]\( S = \)[/tex] side.
- This is True. The perimeter of a square is the total length around the square, given by [tex]\( P = 4 \times \text{side length} \)[/tex].
139. [tex]\( P = 2L + 2W \)[/tex] is the formula for the perimeter of a rectangle.
- This is True. The perimeter of a rectangle is calculated as [tex]\( P = 2 \times (\text{length} + \text{width}) \)[/tex].
140. The formula for the area of a triangle is [tex]\( A = \frac{1}{2}BH \)[/tex] : where [tex]\( B = \)[/tex] base, [tex]\( H = \)[/tex] height.
- This is True. The area of a triangle is calculated using the formula [tex]\( A = \frac{1}{2} \times \text{base} \times \text{height} \)[/tex].
141. Find the area of a square if each side measures 10 cm.
- To find the area, use the formula [tex]\( A = \text{side}^2 \)[/tex].
- [tex]\( A = 10 \times 10 = 100 \, \text{cm}^2 \)[/tex].
- The correct answer is (a) 100 cm².
142. Find the area of a rectangle if it measures [tex]\( L = 9 \)[/tex] inches and [tex]\( W = 7 \)[/tex] inches.
- The area is found using [tex]\( A = L \times W \)[/tex].
- [tex]\( A = 9 \times 7 = 63 \, \text{in}^2 \)[/tex].
- The correct answer is (c) 63 in².
143. Find the area of a square if sides measure 24 centimeters.
- Again, use the formula [tex]\( A = \text{side}^2 \)[/tex].
- [tex]\( A = 24 \times 24 = 576 \, \text{cm}^2 \)[/tex].
- The correct answer is (b) 576 cm².
144. Find the perimeter of a square if sides measure 6 inches.
- The perimeter is [tex]\( P = 4 \times \text{side} \)[/tex].
- [tex]\( P = 4 \times 6 = 24 \, \text{inches} \)[/tex].
- The correct answer is (a) 24 in.
145. Find the perimeter of a square if the sides measure 3 centimeters.
- The perimeter is [tex]\( P = 4 \times \text{side} \)[/tex].
- [tex]\( P = 4 \times 3 = 12 \, \text{cm} \)[/tex].
- The correct answer is (d) 12 cm.
I hope this helps explain the solutions clearly!
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