4) Area of rectangle \( =21 \) (4) Now, find the area of the triangle. (1) Area of triangle \( =2 \) square \( A=\frac{1}{2} b h \)

It seems that there was an issue with solving the equation. Let's try to solve it manually. Given that the area of the rectangle is 21 and the area of the triangle is 2, we can set up the following equation: \[ 21 = 2 \times \text{base} \times \text{height} \] To find the base and height of the triangle, we can rearrange the equation as follows: \[ \text{base} \times \text{height} = \frac{21}{2} \] Now, we need to find the base and height of the triangle. Let's assume the base of the triangle is \( b \) and the height is \( h \). Then, we have: \[ b \times h = \frac{21}{2} \] To find the base and height, we can use the fact that the area of the triangle is 2. Therefore, we have: \[ \frac{1}{2} \times b \times h = 2 \] Simplifying the equation, we get: \[ b \times h = 4 \] Now, we have two equations: \[ b \times h = \frac{21}{2} \] \[ b \times h = 4 \] We can solve these equations simultaneously to find the base and height of the triangle. Solve the equation by following steps: - step0: Solve for \(b\): \(bh=\frac{21}{2}\) - step1: Rewrite the expression: \(hb=\frac{21}{2}\) - step2: Multiply by the reciprocal: \(hb\times \frac{1}{h}=\frac{21}{2}\times \frac{1}{h}\) - step3: Multiply: \(b=\frac{21}{2h}\) It seems that there was an issue with solving the equation. Let's try to solve it manually. We have two equations: \[ b \times h = \frac{21}{2} \] \[ b \times h = 4 \] We can solve these equations simultaneously to find the base and height of the triangle. From the second equation, we have: \[ b \times h = 4 \] Now, we can substitute this value into the first equation: \[ b \times h = \frac{21}{2} \] \[ 4 = \frac{21}{2} \] Solving for \( b \) and \( h \), we get: \[ b = \frac{21}{2h} \] Now, we can substitute this value into the second equation: \[ b \times h = 4 \] \[ \frac{21}{2h} \times h = 4 \] Simplifying the equation, we get: \[ \frac{21}{2} = 4 \] This equation is not true, which means that there is no solution for the base and height of the triangle. Therefore, we cannot find the area of the triangle using the given information.