The area of △ABC is 97,6 cm2^{2}2, with AB=20,4AB=20{,}4AB=20,4 cm and AC=15,9AC=15{,}9AC=15,9 cm. Calculate the possible sizes of Â, correct to one decimal place.
The area of △DEF is 43,3m243{,}3m^{2}43,3m2, with DE=10,5mDE=10{,}5mDE=10,5m and DF=13,7mDF=13{,}7mDF=13,7m. Calculate the possible sizes of D̂, correct to one decimal place.
The area of △RST is 102,5 cm2^{2}2, with RS=15,9RS=15{,}9RS=15,9 cm and RT=13,9RT=13{,}9RT=13,9 cm. Calculate the possible sizes of R̂, correct to one decimal place.
In △KLM, KL=9,4KL=9{,}4KL=9,4 cm, KM=10,4KM=10{,}4KM=10,4 cm and K^=57∘\hat{K}=57^\circK^=57∘. Calculate the area of △KLM, correct to two decimal places.
The area of △KLM is 66 cm2^{2}2, with KL=16,2KL=16{,}2KL=16,2 cm and KM=9,5KM=9{,}5KM=9,5 cm. Calculate the possible sizes of K̂, correct to one decimal place.
The area of △XYZ is 140,4m2140{,}4m^{2}140,4m2, with XY=19,7mXY=19{,}7mXY=19,7m and XZ=17,4mXZ=17{,}4mXZ=17,4m. Calculate the possible sizes of X̂, correct to one decimal place.
In △RST, RS=17,8RS=17{,}8RS=17,8 cm, RT=9,4RT=9{,}4RT=9,4 cm and R^=76∘\hat{R}=76^\circR^=76∘. Calculate the area of △RST, correct to two decimal places.
The area of △XYZ is 89,8m289{,}8m^{2}89,8m2, with XY=13,2mXY=13{,}2mXY=13,2m and XZ=14,3mXZ=14{,}3mXZ=14,3m. Calculate the possible sizes of X̂, correct to one decimal place.
In △KLM, KL=8,1KL=8{,}1KL=8,1 cm, KM=17,3KM=17{,}3KM=17,3 cm and K^=52∘\hat{K}=52^\circK^=52∘. Calculate the area of △KLM, correct to two decimal places.
In △PQR, PQ=11,6PQ=11{,}6PQ=11,6 cm, PR=10,9PR=10{,}9PR=10,9 cm and P^=57∘\hat{P}=57^\circP^=57∘. Calculate the area of △PQR, correct to two decimal places.
The area of △DEF is 40,7 cm2^{2}2, with DE=12,9DE=12{,}9DE=12,9 cm and DF=11DF=11DF=11 cm. Calculate the possible sizes of D̂, correct to one decimal place.
The area of △XYZ is 131,9 cm2^{2}2, with XY=20,7XY=20{,}7XY=20,7 cm and XZ=15,2XZ=15{,}2XZ=15,2 cm. Calculate the possible sizes of X̂, correct to one decimal place.
